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ATT_Dish_MVNO_US
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Phones (14)

Each phone's own settings and modem file, against what that phone had before.

PhonesSettingsModem fileCompared with
iPhone 18 Pro, 18 Pro Max
Apple · c4020
no earlier copyno earlier copy
iPhone 17, 17 Pro, 17 Pro Max
Qualcomm X80 · Mav25
no earlier copyno earlier copy
iPhone 18 Pro Max (US)
Qualcomm X80 · Mav25
no earlier copyno earlier copy
iPhone 16e
Apple C1
30 changes18 changesOTA · iOS 18.4+ · build 63.1 (older)
iPhone Air
Apple C1
no earlier copyno earlier copy
iPhone 17e
Apple C1
no earlier copyno earlier copy
iPhone 16, 16 Plus, 16 Pro, 16 Pro Max
Qualcomm X71M · Mav24
19 changes17 changesiOS 26.2 – 26.2.1 image · build 67.0
iPhone 15, 15 Plus, 15 Pro, 15 Pro Max
Qualcomm · Mav23
19 changes17 changesOTA · iOS 18.4+ · build 63.1 (older)
iPhone 14, 14 Plus, 14 Pro, 14 Pro Max
Qualcomm · Mav22
19 changes14 changesOTA · iOS 18.4+ · build 63.1 (older)
iPhone SE (3rd generation)
Qualcomm · Mav30
19 changes5 changesOTA · iOS 18.4+ · build 63.1 (older)
iPhone 13, 13 mini, 13 Pro, 13 Pro Max
Qualcomm · Mav21
19 changes18 changesOTA · iOS 18.4+ · build 63.1 (older)
iPhone 12, 12 mini, 12 Pro, 12 Pro Max
Qualcomm · Mav20
19 changes6 changesOTA · iOS 18.4+ · build 63.1 (older)
iPhone 11, 11 Pro, 11 Pro Max
Intel · ICE19
30 changesno changeOTA · iOS 18.4+ · build 63.1 (older)
iPhone SE (2nd generation)
Intel · ICE19
31 changesno changeOTA · iOS 18.4+ · build 63.1 (older)
iPhone 16e: overrides_V59.plist

Against the older copy named above, the newest earlier one with these phones' files; the compared version's copy has none, so this spans every update since.

Key pathBeforeAfter
rAttachAPN{"3GPP":{"password":"","PcscfAddressRequired":false,"username":"","apn":"ereseller","AllowedProtocolMask":3}}absent
rDefaultWhenImsSwitchOff0absent
cDerPriFileVersion0.0.412.0.2
rForceWPSCallsOverCSfalseabsent
rIMSConfig.AllowHandoverWithoutIMSVoiceServicetrueabsent
rIMSConfig.CallTransfer{"CallTransferOnlyIfIMSRegistered":true,"CallTransferRequestUri":"pull-VoLTE-active@one.att.net","CallTransferDialNumber":"######","CallTransferToUri":"pull-SP-active@one.att.net"}absent
rIMSConfig.ConferenceCalling{"TreatAllNotificationsAsPartial":true,"conferenceServer":"sip:n-way_voice@one.att.net"}absent
rIMSConfig.LocalShortCodeNumbers["211","311","411","511","611","711","811"]absent
rIMSConfig.Media
{"RTCPIntervalSeconds":5,"InactivityTimerRTPSeconds":20,"HoldHeartbeatIntervalSeconds":5,"RTTBandwidthSpecifierRTCPPercentage":10,"EnableBandwidthSpecifiers":true,"EnableRemoteRTCPDeactivation":true,"InactivityTimerRTCPSeconds":20,"AllowIPv6UnicastAddress":true,"TTYRelayNumber":"711","StopLocalRingb… 
{
  "RTCPIntervalSeconds": 5,
  "InactivityTimerRTPSeconds": 20,
  "HoldHeartbeatIntervalSeconds": 5,
  "RTTBandwidthSpecifierRTCPPercentage": 10,
  "EnableBandwidthSpecifiers": true,
  "EnableRemoteRTCPDeactivation": true,
  "InactivityTimerRTCPSeconds": 20,
  "AllowIPv6UnicastAddress": true,
  "TTYRelayNumber": "711",
  "StopLocalRingbackToneOn181": false,
  "UseRestrictiveDirectionWhenCreatingAnswer": false,
  "RTTBandwidthSpecifierASValue": 4,
  "DTMFInterDigitIntervalMilliseconds": 540,
  "EnableIncomingDTMF": true,
  "IncludeSDPMaxRed": true
}
absent
rIMSConfig.SIM{"USIMFallbackSupport":false}absent
rIMSConfig.SMS.SMSBundleToVoicefalseabsent
rIMSConfig.SMS.allowCSFBInVolteModefalseabsent
rIMSConfig.SMS.enableInNonVoLTEModefalseabsent
rIMSConfig.Signaling
{"PrivacyHeaderValue":"header","ForcedFeatureTags":"voice,sms","MaxFatalRegistrationErrors":1,"MaxReRegistrationAttempts":0,"LocalQoSTimeoutMTSeconds":6,"AdditionalHeaders":{"INVITE[wifi,911]":["P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}","Supported: geolocation"]},"EarlyMediaNee… 
{
  "PrivacyHeaderValue": "header",
  "ForcedFeatureTags": "voice,sms",
  "MaxFatalRegistrationErrors": 1,
  "MaxReRegistrationAttempts": 0,
  "LocalQoSTimeoutMTSeconds": 6,
  "AdditionalHeaders": {
    "INVITE[wifi,911]": [
      "P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}",
      "Supported: geolocation"
    ]
  },
  "EarlyMediaNeedsHeader": true,
  "InviteErrorResponsesToTriggerCSFB": "",
  "strictCallFlows": true,
  "SendEmergencyLocationUpdates": true,
  "TriggerCSFBOnLocalQoSTimeoutMO": false,
  "StartLocalQosTimerOnSessionProgress": true,
  "UseBase64ForMultipartSMS": false,
  "AddLocationToEmergencySMS": true,
  "SipTimers": {
    "D": 32000,
    "InviteResponseTimeout": 0,
    "AckRetransmitTimer": 32000,
    "AckReceiveTimeout": 32000,
    "J": 32000,
    "F": 32000,
    "B": 32000,
    "H": 32000
  },
  "LocalQoSTimeoutMOSeconds": 10,
  "RegisterOnServiceUpdate": false,
  "RegistrationPolicy": "ATT",
  "RingingTimerSeconds": 45,
  "CSFBOnAccessBarred": true,
  "AdditionalContactParams": {
    "INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting"
  },
  "NetworkTerminationRetryIntervalSeconds": 1,
  "KillRegistrationOnHandoverTimeout": false,
  "TriggerCSFBOnLocalQoSTimeoutMT": false,
  "OutgoingDomain": "1",
  "EmergencyCallBackModeExpirationSeconds": 20,
  "Preconditions": "Supported",
  "EmergencyLocationLookupTimeout": 6,
  "WaitForRingingTimerMOSeconds": 0,
  "PIDFConfidence": 90,
  "UseCIDUrlInPIDF": true,
  "AccessNetworkRefreshDelayMilliseconds": 30000,
  "AlwaysAddGeolocationForEmergencyCalls": true,
  "PIDFGeoPrivShape": "ellipsoid",
  "AccessNetworkRefreshMethod": "INVITE",
  "IgnoreOverridesForWPSCalls": true,
  "UseTupleInPIDF": true,
  "WaitForRingingTimerMTSeconds": 8,
  "Allow3DPIDFInMessages": true,
  "IgnoreFromHeaderForSenderName": false,
  "ClearRegistrationCallIdOnDeinitialization": true,
  "UseT3402ForPdpBackoff": true,
  "AlwaysSendSessionProgress": true,
  "PerCallQoSIndications": false,
  "AddLocationInInviteResponses": "180,183",
  "IPSecSegmentOffset": 210,
  "ReRegisterOnInternalRequestTimeout": true,
  "WifiAccessInfo": "000000000000",
  "RequirePreconditionsWhenMandatory": false,
  "SupportPEarlyMediaHeader": true,
  "UseIPSec": true,
  "RegistrationRetryIntervals": "0",
  "AccessBarringType": "ACB",
  "UseFakeSAsForDeregistration": true,
  "ussdEnabled": true,
  "IncomingCallEndReasons": {
    "NotFound": {
      "StatusCode": 404,
      "TerminationEvent": "RemoteHangup"
    },
    "TemporarilyUnavailable": {
      "StatusCode": 480,
      "TerminationEvent": "RemoteHangup"
    }
  },
  "ReRegisterOnErrorCodes": "REGISTER:480,500,503,504;INVITE:60,403,504",
  "LocationForShortCodeCalls": "CIVIC",
  "CountryOfOriginationFormat": "BOTH",
  "EmergencyPreferredIdentity": "IMEI",
  "RingbackTimerSeconds": 180,
  "AllowResponsesOverDifferentTransport": false,
  "WaitForRingingTimerWPSSeconds": 8,
  "SendPreferredServiceInInvite": true
}
absent
rIMSConfig.Voice{"ttyIMSSupported":true,"EnableVolteByDefault":true,"E911OverITechSupported":false,"E911OverCSIfNoIMSReg":true,"endNonEmergencyCalls":true,"CheckIMSPrefForEmergency":false,"CellularE911SearchTimeout":5,"tLte911Timer":0,"EnableHoldForRTT":true}absent
rIMSConfig.XCAP
{"IgnoreSimFileCFIS":true,"SupportsCLIR":false,"DisableOnNetworkError":false,"UnsolicitedRequestDelay":0,"ForbiddenHttpErrorCodes":"","ContentType":"application/xcap-el+xml","ImpuRank":"tel:MDN,tel:other,MDN@domain,MDN@other,IMSI@domain,IMSI@3gpp,IMSI@other,sip:other@domain,sip:other","supported":tr… 
{
  "IgnoreSimFileCFIS": true,
  "SupportsCLIR": false,
  "DisableOnNetworkError": false,
  "UnsolicitedRequestDelay": 0,
  "ForbiddenHttpErrorCodes": "",
  "ContentType": "application/xcap-el+xml",
  "ImpuRank": "tel:MDN,tel:other,MDN@domain,MDN@other,IMSI@domain,IMSI@3gpp,IMSI@other,sip:other@domain,sip:other",
  "supported": true
}
absent
rIgnoresDeactivateOnNetworkScanServiceMask131072absent
rLocation{"EnableCPIDuringEmergencyMode":true,"EnableEarlyReturnDuringEmergencyMode":false}absent
rPushSettings{"VVMTopic":"com.att.ent.cns.vvm","VoWiFiTopic":"com.att.ent.cns.vowifi"}absent
rShowVolteSwitchfalseabsent
rShowVolteWarningUnsupportedCarrierfalseabsent
rShowWiFiCallingWarningUnsupportedCarrierfalseabsent
rSupportsIMSSignalingIndicationtrueabsent
rSupportsImsCapabilitytrueabsent
rTechSettings
{"FatalActivationErrors":[8192],"ChildSAs":{"FirstChild":{"ChildProposals":[{"EncryptionAlgorithm":["AES-128"],"Lifetime":80000,"IntegrityAlgorithm":["SHA2-256"]}],"InstallPolicies":true,"ReplayWindowSize":12}},"iRatPolicies":{"PreferredTechnology":"cellular","PreferredTechnologyRoaming":"wifi"},"Ex… 
{
  "FatalActivationErrors": [
    8192
  ],
  "ChildSAs": {
    "FirstChild": {
      "ChildProposals": [
        {
          "EncryptionAlgorithm": [
            "AES-128"
          ],
          "Lifetime": 80000,
          "IntegrityAlgorithm": [
            "SHA2-256"
          ]
        }
      ],
      "InstallPolicies": true,
      "ReplayWindowSize": 12
    }
  },
  "iRatPolicies": {
    "PreferredTechnology": "cellular",
    "PreferredTechnologyRoaming": "wifi"
  },
  "ExtraConfigurationAttributeRequestv6": [
    {
      "Identifier": 16386,
      "Name": "AssignedPCSCFIPv6",
      "Type": "IPv6Address"
    }
  ],
  "SupportContextSwitchOver": true,
  "WiFiCallingControlsAlliWLanServices": true,
  "AllowHandOverFromDataModeList": [
    "LTE"
  ],
  "WifiCallingAllowedInRoaming": true,
  "PdnErrorsToBlockHandover": "54",
  "5wiServiceMask": 3,
  "IKE": {
    "Proposals": [
      {
        "EncryptionAlgorithm": "AES-128",
        "IntegrityAlgorithm": "SHA2-256",
        "DHGroup": 14,
        "AuthenticationMethod": "None",
        "Lifetime": 80000,
        "EAPMethod": "EAP-AKA",
        "PRFAlgorithm": "SHA2-256"
      }
    ],
    "DeadPeerDetectionEnabled": false,
    "DeadPeerDetectionMaxRetries": 4,
    "DeadPeerDetectionInterval": 600,
    "LocalIdentifier": "0$imsi@nai.epc.mnc$mnc.mcc$mcc.3gppnetwork.org",
    "NATTKeepAliveOffload": true,
    "ValidateRemoteCertificate": false,
    "RemoteAddress": "epdg.epc.att.net",
    "DeadPeerDetectionRetryInterval": 10
  },
  "AllowRoamingHandover": false,
  "ExtraConfigurationAttributeRequestv4": [
    {
      "Identifier": 16384,
      "Name": "AssignedPCSCFIPv4",
      "Type": "IPv4Address"
    }
  ],
  "SetHandOverIPv6Prefix": true,
  "TechPolicies": [
    {
      "policy": "cellData=false",
      "serviceMask": 1081367
    },
    {
      "policy": "true",
      "serviceMask": 131072
    },
    {
      "policy": "true",
      "serviceMask": 262144
    }
  ],
  "IPSecMTU": 1280,
  "SupportCallHandover": true
}
absent
rapns[0].configuration[0].DefaultProtocolMask3absent
rapns[0].configuration[1].DefaultProtocolMask3absent
rapns[0].configuration[2].DefaultProtocolMask3absent
rapns[0].configuration[3].DefaultProtocolMask3absent
rapns[0].configuration[4].DefaultProtocolMask3absent
iPhone 16e: overrides_V59.der.pri

Against the older copy named above, the newest earlier one with these phones' files; the compared version's copy has none, so this spans every update since.

Key pathBeforeAfter
aefs.%s[104]:dyn_cps_5g.as_5g_params.hplmn_based_filter_params.bc_params.bc_disallowed_list[4][0]absent66A_66A_66A_n2A/66A_n2A#2A_66A_66A_66A_n5A/2A_n5A#2A_66A_66A_66A_n5A/66A_n5A#66A_66A_66A_n77A/66A_n77A#
aefs.%s[110]:dyn_cps_5g.as_5g_params.hplmn_based_filter_params.bc_params.bc_disallowed_list[3][0]absentn66A_n77A_n77A_n77A/n66A#n77A_n77A_n77A/n77A#n2A_n2A_n2A_n77A/n2A_n77A#n2A_n2A_n2A_n77A/n77A#n2A_n2A_n2A/n2A#
aefs.%s[129]:dyn_cps_5g.as_5g_params.hplmn_based_filter_params.bc_params.bc_disallowed_list[1][0]absentn2A_n77A_n77A_n77A/n2A_n77A#n5A_n66A_n77A_n77A_n77A/n5A_n66A#n5A_n66A_n77A_n77A_n77A/n5A_n77A#n5A_n66A_n77A_n77A_n77A/n66A_n77A#
aefs.%s[131]:dyn_cps_5g.as_5g_params.hplmn_based_filter_params.bc_params.bc_disallowed_list[2][0]absentn5A_n77A_n77A_n77A/n77A#n5A_n77A_n77A_n77A/n5A#n5A_n77A_n77A_n77A/n5A_n77A#n66A_n77A_n77A_n77A/n66A_n77A#n66A_n77A_n77A_n77A/n77A#
aefs.%s[134]:dyn_cps_5g.as_5g_params.hplmn_based_filter_params.bc_params.bc_disallowed_list[0][0]absentn5A_n66A_n77A_n77A_n77A/n5A#n5A_n66A_n77A_n77A_n77A/n66A#n5A_n66A_n77A_n77A_n77A/n77A#n2A_n77A_n77A_n77A/n2A#n2A_n77A_n77A_n77A/n77A#
aefs.%u:dyn_cps.apf.lte_fast_dormancy.feature_enabledabsent0
aefs.%u:dyn_cps.apf.roaming_data_stall_plmn_sel.ap_detectionabsent0
aefs.%u:dyn_cps.apf.roaming_data_stall_plmn_sel.bb_detectionabsent0
aefs.%u:dyn_cps.eutran_caps.tm9_with_8tx_fdd_r10_supportedabsent1
aefs.%u:dyn_cps.mm.mm_netshar_prioritize_hplmnabsent0
refs.%u:dyn_cps.ps_features.csi_emergency_cell_search_mode_pref1absent
aefs.%u:dyn_cps.ps_features.sic_dynamic_vonrabsent1
aefs.%u:dyn_cps.ps_features.sic_sa_plmn_barring_on_pdu_sess_est_ignoreabsent1
aefs.%u:dyn_cps_5g.as_5g_caps.nr_caps.common_caps.caps_v16.meas_caps.pcell_t312absent1
refs.%u:dyn_cps_5g.as_5g_params.hplmn_based_filter_params.band_params_list[0].cbw_dl_scs_fr1_30khz_or_fr2_120khz_bitmap353439744absent
aefs.%u:dyn_cps_5g.ue_5g_params.nmm_comb_sr_pdu_ul_data_status_for_mmtelabsent1
refs.%u:dyn_cps_5g.ue_5g_params.pdu_sess_cont_when_n1_disabled1absent
cheader.PRI Revision0.0.412.0.2
iPhone 16, 16 Plus, 16 Pro, 16 Pro Max: overrides_D93_D94_D47_D48.plist
Key pathBeforeAfter
rAttachAPN{"3GPP":{"password":"","PcscfAddressRequired":false,"username":"","apn":"ereseller","AllowedProtocolMask":3}}absent
rDefaultWhenImsSwitchOff0absent
cDerPriFileVersion5.0.1616.0.162
rForceWPSCallsOverCSfalseabsent
rIMSConfig
{"Signaling":{"PrivacyHeaderValue":"header","ForcedFeatureTags":"voice,sms","MaxFatalRegistrationErrors":1,"MaxReRegistrationAttempts":0,"LocalQoSTimeoutMTSeconds":6,"AdditionalHeaders":{"INVITE[wifi,911]":["P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}","Supported: geolocation"]},"… 
{
  "Signaling": {
    "PrivacyHeaderValue": "header",
    "ForcedFeatureTags": "voice,sms",
    "MaxFatalRegistrationErrors": 1,
    "MaxReRegistrationAttempts": 0,
    "LocalQoSTimeoutMTSeconds": 6,
    "AdditionalHeaders": {
      "INVITE[wifi,911]": [
        "P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}",
        "Supported: geolocation"
      ]
    },
    "EarlyMediaNeedsHeader": true,
    "InviteErrorResponsesToTriggerCSFB": "",
    "strictCallFlows": true,
    "SendEmergencyLocationUpdates": true,
    "TriggerCSFBOnLocalQoSTimeoutMO": false,
    "StartLocalQosTimerOnSessionProgress": true,
    "UseBase64ForMultipartSMS": false,
    "AddLocationToEmergencySMS": true,
    "SipTimers": {
      "D": 32000,
      "InviteResponseTimeout": 0,
      "AckRetransmitTimer": 32000,
      "AckReceiveTimeout": 32000,
      "J": 32000,
      "F": 32000,
      "B": 32000,
      "H": 32000
    },
    "LocalQoSTimeoutMOSeconds": 10,
    "RegisterOnServiceUpdate": false,
    "RegistrationPolicy": "ATT",
    "RingingTimerSeconds": 45,
    "CSFBOnAccessBarred": true,
    "AdditionalContactParams": {
      "INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting"
    },
    "NetworkTerminationRetryIntervalSeconds": 1,
    "KillRegistrationOnHandoverTimeout": false,
    "TriggerCSFBOnLocalQoSTimeoutMT": false,
    "OutgoingDomain": "1",
    "EmergencyCallBackModeExpirationSeconds": 20,
    "Preconditions": "Supported",
    "EmergencyLocationLookupTimeout": 6,
    "WaitForRingingTimerMOSeconds": 0,
    "PIDFConfidence": 90,
    "UseCIDUrlInPIDF": true,
    "AccessNetworkRefreshDelayMilliseconds": 30000,
    "AlwaysAddGeolocationForEmergencyCalls": true,
    "PIDFGeoPrivShape": "ellipsoid",
    "AccessNetworkRefreshMethod": "INVITE",
    "IgnoreOverridesForWPSCalls": true,
    "UseTupleInPIDF": true,
    "WaitForRingingTimerMTSeconds": 8,
    "Allow3DPIDFInMessages": true,
    "IgnoreFromHeaderForSenderName": false,
    "ClearRegistrationCallIdOnDeinitialization": true,
    "UseT3402ForPdpBackoff": false,
    "AlwaysSendSessionProgress": true,
    "PerCallQoSIndications": false,
    "AddLocationInInviteResponses": "180,183",
    "IPSecSegmentOffset": 210,
    "ReRegisterOnInternalRequestTimeout": true,
    "WifiAccessInfo": "000000000000",
    "RequirePreconditionsWhenMandatory": false,
    "SupportPEarlyMediaHeader": true,
    "UseIPSec": true,
    "RegistrationRetryIntervals": "0",
    "AccessBarringType": "ACB",
    "UseFakeSAsForDeregistration": true,
    "ussdEnabled": true,
    "IncomingCallEndReasons": {
      "NotFound": {
        "StatusCode": 404,
        "TerminationEvent": "RemoteHangup"
      },
      "TemporarilyUnavailable": {
        "StatusCode": 480,
        "TerminationEvent": "RemoteHangup"
      }
    },
    "ReRegisterOnErrorCodes": "REGISTER:480,500,503,504;INVITE:60,403,504",
    "LocationForShortCodeCalls": "CIVIC",
    "CountryOfOriginationFormat": "BOTH",
    "EmergencyPreferredIdentity": "IMEI",
    "RingbackTimerSeconds": 180,
    "AllowResponsesOverDifferentTransport": false,
    "WaitForRingingTimerWPSSeconds": 8,
    "SendPreferredServiceInInvite": true
  },
  "LocalShortCodeNumbers": [
    "211",
    "311",
    "411",
    "511",
    "611",
    "711",
    "811"
  ],
  "CallTransfer": {
    "CallTransferOnlyIfIMSRegistered": true,
    "CallTransferRequestUri": "pull-VoLTE-active@one.att.net",
    "CallTransferDialNumber": "######",
    "CallTransferToUri": "pull-SP-active@one.att.net"
  },
  "ConferenceCalling": {
    "TreatAllNotificationsAsPartial": true,
    "conferenceServer": "sip:n-way_voice@one.att.net"
  },
  "AllowHandoverWithoutIMSVoiceService": true,
  "SMS": {
    "enableInNonVoLTEMode": false,
    "SMSBundleToVoice": false,
    "allowCSFBInVolteMode": false
  },
  "XCAP": {
    "IgnoreSimFileCFIS": true,
    "SupportsCLIR": false,
    "DisableOnNetworkError": false,
    "UnsolicitedRequestDelay": 0,
    "ForbiddenHttpErrorCodes": "",
    "ContentType": "application/xcap-el+xml",
    "ImpuRank": "tel:MDN,tel:other,MDN@domain,MDN@other,IMSI@domain,IMSI@3gpp,IMSI@other,sip:other@domain,sip:other",
    "supported": true
  },
  "Media": {
    "RTCPIntervalSeconds": 5,
    "InactivityTimerRTPSeconds": 20,
    "HoldHeartbeatIntervalSeconds": 5,
    "RTTBandwidthSpecifierRTCPPercentage": 10,
    "EnableBandwidthSpecifiers": true,
    "EnableRemoteRTCPDeactivation": true,
    "InactivityTimerRTCPSeconds": 20,
    "AllowIPv6UnicastAddress": true,
    "TTYRelayNumber": "711",
    "StopLocalRingbackToneOn181": false,
    "UseRestrictiveDirectionWhenCreatingAnswer": false,
    "RTTBandwidthSpecifierASValue": 4,
    "DTMFInterDigitIntervalMilliseconds": 540,
    "EnableIncomingDTMF": true,
    "IncludeSDPMaxRed": true
  },
  "SIM": {
    "USIMFallbackSupport": false
  },
  "Voice": {
    "ttyIMSSupported": true,
    "EnableVolteByDefault": true,
    "E911OverITechSupported": false,
    "E911OverCSIfNoIMSReg": true,
    "endNonEmergencyCalls": true,
    "CheckIMSPrefForEmergency": false,
    "CellularE911SearchTimeout": 5,
    "tLte911Timer": 0,
    "EnableHoldForRTT": true
  }
}
absent
rIgnoresDeactivateOnNetworkScanServiceMask131072absent
rLocation{"EnableCPIDuringEmergencyMode":true,"EnableEarlyReturnDuringEmergencyMode":false}absent
rPushSettings{"VVMTopic":"com.att.ent.cns.vvm","VoWiFiTopic":"com.att.ent.cns.vowifi"}absent
rShowVolteSwitchfalseabsent
rShowVolteWarningUnsupportedCarrierfalseabsent
rShowWiFiCallingWarningUnsupportedCarrierfalseabsent
rSupportsIMSSignalingIndicationtrueabsent
rSupportsImsCapabilitytrueabsent
rTechSettings
{"FatalActivationErrors":[8192],"ChildSAs":{"FirstChild":{"ChildProposals":[{"EncryptionAlgorithm":["AES-128"],"Lifetime":80000,"IntegrityAlgorithm":["SHA2-256"]}],"InstallPolicies":true,"ReplayWindowSize":12}},"iRatPolicies":{"PreferredTechnology":"cellular","PreferredTechnologyRoaming":"wifi"},"Ex… 
{
  "FatalActivationErrors": [
    8192
  ],
  "ChildSAs": {
    "FirstChild": {
      "ChildProposals": [
        {
          "EncryptionAlgorithm": [
            "AES-128"
          ],
          "Lifetime": 80000,
          "IntegrityAlgorithm": [
            "SHA2-256"
          ]
        }
      ],
      "InstallPolicies": true,
      "ReplayWindowSize": 12
    }
  },
  "iRatPolicies": {
    "PreferredTechnology": "cellular",
    "PreferredTechnologyRoaming": "wifi"
  },
  "ExtraConfigurationAttributeRequestv6": [
    {
      "Identifier": 16386,
      "Name": "AssignedPCSCFIPv6",
      "Type": "IPv6Address"
    }
  ],
  "SupportContextSwitchOver": true,
  "WiFiCallingControlsAlliWLanServices": true,
  "AllowHandOverFromDataModeList": [
    "LTE"
  ],
  "WifiCallingAllowedInRoaming": true,
  "PdnErrorsToBlockHandover": "54",
  "5wiServiceMask": 3,
  "IKE": {
    "Proposals": [
      {
        "EncryptionAlgorithm": "AES-128",
        "IntegrityAlgorithm": "SHA2-256",
        "DHGroup": 14,
        "AuthenticationMethod": "None",
        "Lifetime": 80000,
        "EAPMethod": "EAP-AKA",
        "PRFAlgorithm": "SHA2-256"
      }
    ],
    "DeadPeerDetectionEnabled": false,
    "DeadPeerDetectionMaxRetries": 4,
    "DeadPeerDetectionInterval": 600,
    "LocalIdentifier": "0$imsi@nai.epc.mnc$mnc.mcc$mcc.3gppnetwork.org",
    "NATTKeepAliveOffload": true,
    "ValidateRemoteCertificate": false,
    "RemoteAddress": "epdg.epc.att.net",
    "DeadPeerDetectionRetryInterval": 10
  },
  "AllowRoamingHandover": false,
  "ExtraConfigurationAttributeRequestv4": [
    {
      "Identifier": 16384,
      "Name": "AssignedPCSCFIPv4",
      "Type": "IPv4Address"
    }
  ],
  "SetHandOverIPv6Prefix": true,
  "TechPolicies": [
    {
      "policy": "cellData=false",
      "serviceMask": 1081367
    },
    {
      "policy": "true",
      "serviceMask": 131072
    },
    {
      "policy": "true",
      "serviceMask": 262144
    }
  ],
  "IPSecMTU": 1280,
  "SupportCallHandover": true
}
absent
rapns[0].configuration[0].DefaultProtocolMask3absent
rapns[0].configuration[1].DefaultProtocolMask3absent
rapns[0].configuration[2].DefaultProtocolMask3absent
rapns[0].configuration[3].DefaultProtocolMask3absent
rapns[0].configuration[4].DefaultProtocolMask3absent
iPhone 16, 16 Plus, 16 Pro, 16 Pro Max: overrides_D93_D94_D47_D48.der.pri
Key pathBeforeAfter
aefs./nv/item_files/modem/mav/disable_sa_deprio_on_wifi_assistabsent1
aefs./nv/item_files/modem/mav/enable_dyn_vonrabsent1
aefs./nv/item_files/modem/mmode/nr5g_emc_supportabsent0
cheader.PRI Revision5.0.1616.0.162
aschema[327]absent/nv/item_files/modem/mav/skip_icon_override_during_enh_buffering
aschema[328]absent/nv/item_files/modem/mav/enable_wireless_qoe
aschema[329]absent/nv/item_files/modem/nr5g/RRC/cap_feature_per_features_set_params_v2
aschema[330]absent/nv/item_files/modem/mav/enable_ds_partial_mitigation
aschema[331]absent/nv/item_files/modem/mav/mav_asm_enable_qr_code_scan_notification
aschema[332]absent/nv/item_files/modem/nas/mav_gfnh_recprcl_roaming
aschema[333]absent/nv/item_files/modem/lte/rrc/efs/x2l_redir_hst_nr5g_opt_params
aschema[334]absent/nv/item_files/modem/lte/rrc/efs/pref_nr5g_scan
aschema[335]absent/nv/item_files/modem/mav/enable_ds_mit_for_inactive_nw_slice
aschema[336]absent/nv/item_files/modem/mav/sat_enable_ds_mit_for_marginal_coverage
aschema[337]absent/nv/item_files/modem/nas/mav_force_srvcc
aschema[338]absent/nv/item_files/modem/mav/mav_asm_app_resp_enable
cunknown.9f83e4350500a1000600a200
iPhone 15, 15 Plus, 15 Pro, 15 Pro Max: overrides_D83_D84_D37_D38.plist

Against the older copy named above, the newest earlier one with these phones' files; the compared version's copy has none, so this spans every update since.

Key pathBeforeAfter
rAttachAPN{"3GPP":{"password":"","PcscfAddressRequired":false,"username":"","apn":"ereseller","AllowedProtocolMask":3}}absent
rDefaultWhenImsSwitchOff0absent
cDerPriFileVersion0.2.1686.0.162
rForceWPSCallsOverCSfalseabsent
rIMSConfig
{"Signaling":{"PrivacyHeaderValue":"header","ForcedFeatureTags":"voice,sms","MaxFatalRegistrationErrors":1,"MaxReRegistrationAttempts":0,"LocalQoSTimeoutMTSeconds":6,"AdditionalHeaders":{"INVITE[wifi,911]":["P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}","Supported: geolocation"]},"… 
{
  "Signaling": {
    "PrivacyHeaderValue": "header",
    "ForcedFeatureTags": "voice,sms",
    "MaxFatalRegistrationErrors": 1,
    "MaxReRegistrationAttempts": 0,
    "LocalQoSTimeoutMTSeconds": 6,
    "AdditionalHeaders": {
      "INVITE[wifi,911]": [
        "P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}",
        "Supported: geolocation"
      ]
    },
    "EarlyMediaNeedsHeader": true,
    "InviteErrorResponsesToTriggerCSFB": "",
    "strictCallFlows": true,
    "SendEmergencyLocationUpdates": true,
    "TriggerCSFBOnLocalQoSTimeoutMO": false,
    "StartLocalQosTimerOnSessionProgress": true,
    "UseBase64ForMultipartSMS": false,
    "AddLocationToEmergencySMS": true,
    "SipTimers": {
      "D": 32000,
      "InviteResponseTimeout": 0,
      "AckRetransmitTimer": 32000,
      "AckReceiveTimeout": 32000,
      "J": 32000,
      "F": 32000,
      "B": 32000,
      "H": 32000
    },
    "LocalQoSTimeoutMOSeconds": 10,
    "RegisterOnServiceUpdate": false,
    "RegistrationPolicy": "ATT",
    "RingingTimerSeconds": 45,
    "CSFBOnAccessBarred": true,
    "AdditionalContactParams": {
      "INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting"
    },
    "NetworkTerminationRetryIntervalSeconds": 1,
    "KillRegistrationOnHandoverTimeout": false,
    "TriggerCSFBOnLocalQoSTimeoutMT": false,
    "OutgoingDomain": "1",
    "EmergencyCallBackModeExpirationSeconds": 20,
    "Preconditions": "Supported",
    "EmergencyLocationLookupTimeout": 6,
    "WaitForRingingTimerMOSeconds": 0,
    "PIDFConfidence": 90,
    "UseCIDUrlInPIDF": true,
    "AccessNetworkRefreshDelayMilliseconds": 30000,
    "AlwaysAddGeolocationForEmergencyCalls": true,
    "PIDFGeoPrivShape": "ellipsoid",
    "AccessNetworkRefreshMethod": "INVITE",
    "IgnoreOverridesForWPSCalls": true,
    "UseTupleInPIDF": true,
    "WaitForRingingTimerMTSeconds": 8,
    "Allow3DPIDFInMessages": true,
    "IgnoreFromHeaderForSenderName": false,
    "ClearRegistrationCallIdOnDeinitialization": true,
    "UseT3402ForPdpBackoff": true,
    "AlwaysSendSessionProgress": true,
    "PerCallQoSIndications": false,
    "AddLocationInInviteResponses": "180,183",
    "IPSecSegmentOffset": 210,
    "ReRegisterOnInternalRequestTimeout": true,
    "WifiAccessInfo": "000000000000",
    "RequirePreconditionsWhenMandatory": false,
    "SupportPEarlyMediaHeader": true,
    "UseIPSec": true,
    "RegistrationRetryIntervals": "0",
    "AccessBarringType": "ACB",
    "UseFakeSAsForDeregistration": true,
    "ussdEnabled": true,
    "IncomingCallEndReasons": {
      "NotFound": {
        "StatusCode": 404,
        "TerminationEvent": "RemoteHangup"
      },
      "TemporarilyUnavailable": {
        "StatusCode": 480,
        "TerminationEvent": "RemoteHangup"
      }
    },
    "ReRegisterOnErrorCodes": "REGISTER:480,500,503,504;INVITE:60,403,504",
    "LocationForShortCodeCalls": "CIVIC",
    "CountryOfOriginationFormat": "BOTH",
    "EmergencyPreferredIdentity": "IMEI",
    "RingbackTimerSeconds": 180,
    "AllowResponsesOverDifferentTransport": false,
    "WaitForRingingTimerWPSSeconds": 8,
    "SendPreferredServiceInInvite": true
  },
  "LocalShortCodeNumbers": [
    "211",
    "311",
    "411",
    "511",
    "611",
    "711",
    "811"
  ],
  "CallTransfer": {
    "CallTransferOnlyIfIMSRegistered": true,
    "CallTransferRequestUri": "pull-VoLTE-active@one.att.net",
    "CallTransferDialNumber": "######",
    "CallTransferToUri": "pull-SP-active@one.att.net"
  },
  "ConferenceCalling": {
    "TreatAllNotificationsAsPartial": true,
    "conferenceServer": "sip:n-way_voice@one.att.net"
  },
  "AllowHandoverWithoutIMSVoiceService": true,
  "SMS": {
    "enableInNonVoLTEMode": false,
    "SMSBundleToVoice": false,
    "allowCSFBInVolteMode": false
  },
  "XCAP": {
    "IgnoreSimFileCFIS": true,
    "SupportsCLIR": false,
    "DisableOnNetworkError": false,
    "UnsolicitedRequestDelay": 0,
    "ForbiddenHttpErrorCodes": "",
    "ContentType": "application/xcap-el+xml",
    "ImpuRank": "tel:MDN,tel:other,MDN@domain,MDN@other,IMSI@domain,IMSI@3gpp,IMSI@other,sip:other@domain,sip:other",
    "supported": true
  },
  "Media": {
    "RTCPIntervalSeconds": 5,
    "InactivityTimerRTPSeconds": 20,
    "HoldHeartbeatIntervalSeconds": 5,
    "RTTBandwidthSpecifierRTCPPercentage": 10,
    "EnableBandwidthSpecifiers": true,
    "EnableRemoteRTCPDeactivation": true,
    "InactivityTimerRTCPSeconds": 20,
    "AllowIPv6UnicastAddress": true,
    "TTYRelayNumber": "711",
    "StopLocalRingbackToneOn181": false,
    "UseRestrictiveDirectionWhenCreatingAnswer": false,
    "RTTBandwidthSpecifierASValue": 4,
    "DTMFInterDigitIntervalMilliseconds": 540,
    "EnableIncomingDTMF": true,
    "IncludeSDPMaxRed": true
  },
  "SIM": {
    "USIMFallbackSupport": false
  },
  "Voice": {
    "ttyIMSSupported": true,
    "EnableVolteByDefault": true,
    "E911OverITechSupported": false,
    "E911OverCSIfNoIMSReg": true,
    "endNonEmergencyCalls": true,
    "CheckIMSPrefForEmergency": false,
    "CellularE911SearchTimeout": 5,
    "tLte911Timer": 0,
    "EnableHoldForRTT": true
  }
}
absent
rIgnoresDeactivateOnNetworkScanServiceMask131072absent
rLocation{"EnableCPIDuringEmergencyMode":true,"EnableEarlyReturnDuringEmergencyMode":false}absent
rPushSettings{"VVMTopic":"com.att.ent.cns.vvm","VoWiFiTopic":"com.att.ent.cns.vowifi"}absent
rShowVolteSwitchfalseabsent
rShowVolteWarningUnsupportedCarrierfalseabsent
rShowWiFiCallingWarningUnsupportedCarrierfalseabsent
rSupportsIMSSignalingIndicationtrueabsent
rSupportsImsCapabilitytrueabsent
rTechSettings
{"FatalActivationErrors":[8192],"ChildSAs":{"FirstChild":{"ChildProposals":[{"EncryptionAlgorithm":["AES-128"],"Lifetime":80000,"IntegrityAlgorithm":["SHA2-256"]}],"InstallPolicies":true,"ReplayWindowSize":12}},"iRatPolicies":{"PreferredTechnology":"cellular","PreferredTechnologyRoaming":"wifi"},"Ex… 
{
  "FatalActivationErrors": [
    8192
  ],
  "ChildSAs": {
    "FirstChild": {
      "ChildProposals": [
        {
          "EncryptionAlgorithm": [
            "AES-128"
          ],
          "Lifetime": 80000,
          "IntegrityAlgorithm": [
            "SHA2-256"
          ]
        }
      ],
      "InstallPolicies": true,
      "ReplayWindowSize": 12
    }
  },
  "iRatPolicies": {
    "PreferredTechnology": "cellular",
    "PreferredTechnologyRoaming": "wifi"
  },
  "ExtraConfigurationAttributeRequestv6": [
    {
      "Identifier": 16386,
      "Name": "AssignedPCSCFIPv6",
      "Type": "IPv6Address"
    }
  ],
  "SupportContextSwitchOver": true,
  "WiFiCallingControlsAlliWLanServices": true,
  "AllowHandOverFromDataModeList": [
    "LTE"
  ],
  "WifiCallingAllowedInRoaming": true,
  "PdnErrorsToBlockHandover": "54",
  "5wiServiceMask": 3,
  "IKE": {
    "Proposals": [
      {
        "EncryptionAlgorithm": "AES-128",
        "IntegrityAlgorithm": "SHA2-256",
        "DHGroup": 14,
        "AuthenticationMethod": "None",
        "Lifetime": 80000,
        "EAPMethod": "EAP-AKA",
        "PRFAlgorithm": "SHA2-256"
      }
    ],
    "DeadPeerDetectionEnabled": false,
    "DeadPeerDetectionMaxRetries": 4,
    "DeadPeerDetectionInterval": 600,
    "LocalIdentifier": "0$imsi@nai.epc.mnc$mnc.mcc$mcc.3gppnetwork.org",
    "NATTKeepAliveOffload": true,
    "ValidateRemoteCertificate": false,
    "RemoteAddress": "epdg.epc.att.net",
    "DeadPeerDetectionRetryInterval": 10
  },
  "AllowRoamingHandover": false,
  "ExtraConfigurationAttributeRequestv4": [
    {
      "Identifier": 16384,
      "Name": "AssignedPCSCFIPv4",
      "Type": "IPv4Address"
    }
  ],
  "SetHandOverIPv6Prefix": true,
  "TechPolicies": [
    {
      "policy": "cellData=false",
      "serviceMask": 1081367
    },
    {
      "policy": "true",
      "serviceMask": 131072
    },
    {
      "policy": "true",
      "serviceMask": 262144
    }
  ],
  "IPSecMTU": 1280,
  "SupportCallHandover": true
}
absent
rapns[0].configuration[0].DefaultProtocolMask3absent
rapns[0].configuration[1].DefaultProtocolMask3absent
rapns[0].configuration[2].DefaultProtocolMask3absent
rapns[0].configuration[3].DefaultProtocolMask3absent
rapns[0].configuration[4].DefaultProtocolMask3absent
iPhone 15, 15 Plus, 15 Pro, 15 Pro Max: overrides_D83_D84_D37_D38.der.pri

Against the older copy named above, the newest earlier one with these phones' files; the compared version's copy has none, so this spans every update since.

Key pathBeforeAfter
aefs./nv/item_files/modem/mav/disable_sa_deprio_on_wifi_assistabsent1
aefs./nv/item_files/modem/mav/enable_dyn_vonrabsent1
aefs./nv/item_files/modem/mmode/nr5g_emc_supportabsent0
aefs./nv/item_files/modem/nr5g/RRC/cap_add_bwabsent772 bytes
cefs./policyman/carrier_policy.xml
<policy changelist="$Change: 14971833 $" name="ATT" policy_ver="125.1.2"> <initial> <mcc_list name="us_mccs">310 311 312 313 314 315 316 330 544</mcc_list> <rat_capability_if base="none"> <include>C H G W L 5G</include> </rat_capability_if> <define_fullrat_config> <rf_bands base="hard… 
<policy changelist="$Change: 14971833 $" name="ATT" policy_ver="125.1.2">
	<initial>
		<mcc_list name="us_mccs">310 311 312 313 314 315 316 330 544</mcc_list>
		<rat_capability_if base="none">
			<include>C H G W L 5G</include>
		</rat_capability_if>
		<define_fullrat_config>
			<rf_bands base="hardware"/>
			<rat_capability base="hardware"/>
		</define_fullrat_config>
		<boolean_define initial="true" name="cm:skip_3gpp2_cap_emerg"/>
		<rf_band_list name="rf_bands_home">
			<gw_bands base="hardware"/>
			<lte_bands base="hardware"/>
			<tds_bands base="none"/>
			<nr5g_sa_bands base="none">
				<include>1 4 65 76</include>
			</nr5g_sa_bands>
			<nr5g_nsa_bands base="hardware"/>
		</rf_band_list>
		<rf_band_list name="rf_bands_roam">
			<gw_bands base="hardware"/>
			<lte_bands base="hardware"/>
			<tds_bands base="none"/>
			<nr5g_sa_bands base="none"/>
			<nr5g_nsa_bands base="hardware"/>
		</rf_band_list>
	</initial>
	<if>
		<any_of>
			<not>
				<phone_operating_mode>ONLINE</phone_operating_mode>
			</not>
			<not>
				<have_location/>
			</not>
		</any_of>
		<then>
			<stop/>
		</then>
	</if>
	<svc_mode>FULL</svc_mode>
	<rat_capability base="hardware"/>
	<if>
		<location_mcc_in list="us_mccs"/>
		<then>
			<rat_capability base="none">
				<include>W L 5G</include>
			</rat_capability>
			<rf_bands list="rf_bands_home"/>
		</then>
		<else>
			<rat_capability base="none">
				<include>G W L 5G</include>
			</rat_capability>
			<rf_bands list="rf_bands_roam"/>
		</else>
	</if>
</policy>
<?xml version="1.0" encoding="UTF-8"?> <policy changelist="$Change: 14971833 $" name="ATT" policy_ver="125.1.2"> <initial> <mcc_list name="us_mccs">310 311 312 313 314 315 316 330 544</mcc_list> <rat_capability_if base="none"> <include>C H G W L 5G</include> </rat_capability_if> <define… 
<?xml version="1.0" encoding="UTF-8"?> 
<policy changelist="$Change: 14971833 $" name="ATT" policy_ver="125.1.2">
	<initial>
		<mcc_list name="us_mccs">310 311 312 313 314 315 316 330 544</mcc_list>
		<rat_capability_if base="none">
			<include>C H G W L 5G</include>
		</rat_capability_if>
		<define_fullrat_config>
			<rf_bands base="hardware"/>
			<rat_capability base="hardware"/>
		</define_fullrat_config>
		<boolean_define initial="true" name="cm:skip_3gpp2_cap_emerg"/>
		<rf_band_list name="rf_bands_home">
			<gw_bands base="hardware"/>
			<lte_bands base="hardware"/>
			<tds_bands base="none"/>
			<nr5g_sa_bands base="none">
				<include>1 4 65 76</include>
			</nr5g_sa_bands>
			<nr5g_nsa_bands base="hardware"/>
		</rf_band_list>
		<rf_band_list name="rf_bands_roam">
			<gw_bands base="hardware"/>
			<lte_bands base="hardware"/>
			<tds_bands base="none"/>
			<nr5g_sa_bands base="none"/>
			<nr5g_nsa_bands base="hardware"/>
		</rf_band_list>
	</initial>
	<if>
		<any_of>
			<not>
				<phone_operating_mode>ONLINE</phone_operating_mode>
			</not>
			<not>
				<have_location/>
			</not>
		</any_of>
		<then>
			<stop/>
		</then>
	</if>
	<svc_mode>FULL</svc_mode>
	<rat_capability base="hardware"/>
	<if>
		<location_mcc_in list="us_mccs"/>
		<then>
			<rat_capability base="none">
				<include>W L 5G</include>
			</rat_capability>
			<rf_bands list="rf_bands_home"/>
		</then>
		<else>
			<rat_capability base="none">
				<include>G W L 5G</include>
			</rat_capability>
			<rf_bands list="rf_bands_roam"/>
		</else>
	</if>
</policy>
cheader.PRI Revision0.2.1686.0.162
aschema[324]absent/nv/item_files/modem/uim/mmgsdi/invalidate_nitz
aschema[325]absent/nv/item_files/modem/lte/ML1/x2l_irat_2tx_ant
aschema[326]absent/nv/item_files/modem/mav/skip_lte_cap_prune
aschema[327]absent/nv/item_files/modem/mav/skip_icon_override_during_enh_buffering
aschema[328]absent/nv/item_files/modem/mav/enable_wireless_qoe
aschema[329]absent/nv/item_files/modem/nr5g/RRC/cap_feature_per_features_set_params_v2
aschema[330]absent/nv/item_files/modem/nas/mav_gfnh_recprcl_roaming
aschema[331]absent/nv/item_files/modem/mav/enable_ds_mit_for_inactive_nw_slice
aschema[332]absent/nv/item_files/modem/mav/sat_enable_ds_mit_for_marginal_coverage
aschema[333]absent/nv/item_files/modem/nas/mav_force_srvcc
cunknown.9f83e4350002a8000600a200
iPhone 14, 14 Plus, 14 Pro, 14 Pro Max: overrides_D73_D74_D27_D28.plist

Against the older copy named above, the newest earlier one with these phones' files; the compared version's copy has none, so this spans every update since.

Key pathBeforeAfter
rAttachAPN{"3GPP":{"password":"","PcscfAddressRequired":false,"username":"","apn":"ereseller","AllowedProtocolMask":3}}absent
rDefaultWhenImsSwitchOff0absent
cDerPriFileVersion0.2.1846.0.162
rForceWPSCallsOverCSfalseabsent
rIMSConfig
{"Signaling":{"PrivacyHeaderValue":"header","ForcedFeatureTags":"voice,sms","MaxFatalRegistrationErrors":1,"MaxReRegistrationAttempts":0,"LocalQoSTimeoutMTSeconds":6,"AdditionalHeaders":{"INVITE[wifi,911]":["P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}","Supported: geolocation"]},"… 
{
  "Signaling": {
    "PrivacyHeaderValue": "header",
    "ForcedFeatureTags": "voice,sms",
    "MaxFatalRegistrationErrors": 1,
    "MaxReRegistrationAttempts": 0,
    "LocalQoSTimeoutMTSeconds": 6,
    "AdditionalHeaders": {
      "INVITE[wifi,911]": [
        "P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}",
        "Supported: geolocation"
      ]
    },
    "EarlyMediaNeedsHeader": true,
    "InviteErrorResponsesToTriggerCSFB": "",
    "strictCallFlows": true,
    "SendEmergencyLocationUpdates": true,
    "TriggerCSFBOnLocalQoSTimeoutMO": false,
    "StartLocalQosTimerOnSessionProgress": true,
    "UseBase64ForMultipartSMS": false,
    "AddLocationToEmergencySMS": true,
    "SipTimers": {
      "D": 32000,
      "InviteResponseTimeout": 0,
      "AckRetransmitTimer": 32000,
      "AckReceiveTimeout": 32000,
      "J": 32000,
      "F": 32000,
      "B": 32000,
      "H": 32000
    },
    "LocalQoSTimeoutMOSeconds": 10,
    "RegisterOnServiceUpdate": false,
    "RegistrationPolicy": "ATT",
    "RingingTimerSeconds": 45,
    "CSFBOnAccessBarred": true,
    "AdditionalContactParams": {
      "INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting"
    },
    "NetworkTerminationRetryIntervalSeconds": 1,
    "KillRegistrationOnHandoverTimeout": false,
    "TriggerCSFBOnLocalQoSTimeoutMT": false,
    "OutgoingDomain": "1",
    "EmergencyCallBackModeExpirationSeconds": 20,
    "Preconditions": "Supported",
    "EmergencyLocationLookupTimeout": 6,
    "WaitForRingingTimerMOSeconds": 0,
    "PIDFConfidence": 90,
    "UseCIDUrlInPIDF": true,
    "AccessNetworkRefreshDelayMilliseconds": 30000,
    "AlwaysAddGeolocationForEmergencyCalls": true,
    "PIDFGeoPrivShape": "ellipsoid",
    "AccessNetworkRefreshMethod": "INVITE",
    "IgnoreOverridesForWPSCalls": true,
    "UseTupleInPIDF": true,
    "WaitForRingingTimerMTSeconds": 8,
    "Allow3DPIDFInMessages": true,
    "IgnoreFromHeaderForSenderName": false,
    "ClearRegistrationCallIdOnDeinitialization": true,
    "UseT3402ForPdpBackoff": true,
    "AlwaysSendSessionProgress": true,
    "PerCallQoSIndications": false,
    "AddLocationInInviteResponses": "180,183",
    "IPSecSegmentOffset": 210,
    "ReRegisterOnInternalRequestTimeout": true,
    "WifiAccessInfo": "000000000000",
    "RequirePreconditionsWhenMandatory": false,
    "SupportPEarlyMediaHeader": true,
    "UseIPSec": true,
    "RegistrationRetryIntervals": "0",
    "AccessBarringType": "ACB",
    "UseFakeSAsForDeregistration": true,
    "ussdEnabled": true,
    "IncomingCallEndReasons": {
      "NotFound": {
        "StatusCode": 404,
        "TerminationEvent": "RemoteHangup"
      },
      "TemporarilyUnavailable": {
        "StatusCode": 480,
        "TerminationEvent": "RemoteHangup"
      }
    },
    "ReRegisterOnErrorCodes": "REGISTER:480,500,503,504;INVITE:60,403,504",
    "LocationForShortCodeCalls": "CIVIC",
    "CountryOfOriginationFormat": "BOTH",
    "EmergencyPreferredIdentity": "IMEI",
    "RingbackTimerSeconds": 180,
    "AllowResponsesOverDifferentTransport": false,
    "WaitForRingingTimerWPSSeconds": 8,
    "SendPreferredServiceInInvite": true
  },
  "LocalShortCodeNumbers": [
    "211",
    "311",
    "411",
    "511",
    "611",
    "711",
    "811"
  ],
  "CallTransfer": {
    "CallTransferOnlyIfIMSRegistered": true,
    "CallTransferRequestUri": "pull-VoLTE-active@one.att.net",
    "CallTransferDialNumber": "######",
    "CallTransferToUri": "pull-SP-active@one.att.net"
  },
  "ConferenceCalling": {
    "TreatAllNotificationsAsPartial": true,
    "conferenceServer": "sip:n-way_voice@one.att.net"
  },
  "AllowHandoverWithoutIMSVoiceService": true,
  "SMS": {
    "enableInNonVoLTEMode": false,
    "SMSBundleToVoice": false,
    "allowCSFBInVolteMode": false
  },
  "XCAP": {
    "IgnoreSimFileCFIS": true,
    "SupportsCLIR": false,
    "DisableOnNetworkError": false,
    "UnsolicitedRequestDelay": 0,
    "ForbiddenHttpErrorCodes": "",
    "ContentType": "application/xcap-el+xml",
    "ImpuRank": "tel:MDN,tel:other,MDN@domain,MDN@other,IMSI@domain,IMSI@3gpp,IMSI@other,sip:other@domain,sip:other",
    "supported": true
  },
  "Media": {
    "RTCPIntervalSeconds": 5,
    "InactivityTimerRTPSeconds": 20,
    "HoldHeartbeatIntervalSeconds": 5,
    "RTTBandwidthSpecifierRTCPPercentage": 10,
    "EnableBandwidthSpecifiers": true,
    "EnableRemoteRTCPDeactivation": true,
    "InactivityTimerRTCPSeconds": 20,
    "AllowIPv6UnicastAddress": true,
    "TTYRelayNumber": "711",
    "StopLocalRingbackToneOn181": false,
    "UseRestrictiveDirectionWhenCreatingAnswer": false,
    "RTTBandwidthSpecifierASValue": 4,
    "DTMFInterDigitIntervalMilliseconds": 540,
    "EnableIncomingDTMF": true,
    "IncludeSDPMaxRed": true
  },
  "SIM": {
    "USIMFallbackSupport": false
  },
  "Voice": {
    "ttyIMSSupported": true,
    "EnableVolteByDefault": true,
    "E911OverITechSupported": false,
    "E911OverCSIfNoIMSReg": true,
    "endNonEmergencyCalls": true,
    "CheckIMSPrefForEmergency": false,
    "CellularE911SearchTimeout": 5,
    "tLte911Timer": 0,
    "EnableHoldForRTT": true
  }
}
absent
rIgnoresDeactivateOnNetworkScanServiceMask131072absent
rLocation{"EnableCPIDuringEmergencyMode":true,"EnableEarlyReturnDuringEmergencyMode":false}absent
rPushSettings{"VVMTopic":"com.att.ent.cns.vvm","VoWiFiTopic":"com.att.ent.cns.vowifi"}absent
rShowVolteSwitchfalseabsent
rShowVolteWarningUnsupportedCarrierfalseabsent
rShowWiFiCallingWarningUnsupportedCarrierfalseabsent
rSupportsIMSSignalingIndicationtrueabsent
rSupportsImsCapabilitytrueabsent
rTechSettings
{"FatalActivationErrors":[8192],"ChildSAs":{"FirstChild":{"ChildProposals":[{"EncryptionAlgorithm":["AES-128"],"Lifetime":80000,"IntegrityAlgorithm":["SHA2-256"]}],"InstallPolicies":true,"ReplayWindowSize":12}},"iRatPolicies":{"PreferredTechnology":"cellular","PreferredTechnologyRoaming":"wifi"},"Ex… 
{
  "FatalActivationErrors": [
    8192
  ],
  "ChildSAs": {
    "FirstChild": {
      "ChildProposals": [
        {
          "EncryptionAlgorithm": [
            "AES-128"
          ],
          "Lifetime": 80000,
          "IntegrityAlgorithm": [
            "SHA2-256"
          ]
        }
      ],
      "InstallPolicies": true,
      "ReplayWindowSize": 12
    }
  },
  "iRatPolicies": {
    "PreferredTechnology": "cellular",
    "PreferredTechnologyRoaming": "wifi"
  },
  "ExtraConfigurationAttributeRequestv6": [
    {
      "Identifier": 16386,
      "Name": "AssignedPCSCFIPv6",
      "Type": "IPv6Address"
    }
  ],
  "SupportContextSwitchOver": true,
  "WiFiCallingControlsAlliWLanServices": true,
  "AllowHandOverFromDataModeList": [
    "LTE"
  ],
  "WifiCallingAllowedInRoaming": true,
  "PdnErrorsToBlockHandover": "54",
  "5wiServiceMask": 3,
  "IKE": {
    "Proposals": [
      {
        "EncryptionAlgorithm": "AES-128",
        "IntegrityAlgorithm": "SHA2-256",
        "DHGroup": 14,
        "AuthenticationMethod": "None",
        "Lifetime": 80000,
        "EAPMethod": "EAP-AKA",
        "PRFAlgorithm": "SHA2-256"
      }
    ],
    "DeadPeerDetectionEnabled": false,
    "DeadPeerDetectionMaxRetries": 4,
    "DeadPeerDetectionInterval": 600,
    "LocalIdentifier": "0$imsi@nai.epc.mnc$mnc.mcc$mcc.3gppnetwork.org",
    "NATTKeepAliveOffload": true,
    "ValidateRemoteCertificate": false,
    "RemoteAddress": "epdg.epc.att.net",
    "DeadPeerDetectionRetryInterval": 10
  },
  "AllowRoamingHandover": false,
  "ExtraConfigurationAttributeRequestv4": [
    {
      "Identifier": 16384,
      "Name": "AssignedPCSCFIPv4",
      "Type": "IPv4Address"
    }
  ],
  "SetHandOverIPv6Prefix": true,
  "TechPolicies": [
    {
      "policy": "cellData=false",
      "serviceMask": 1081367
    },
    {
      "policy": "true",
      "serviceMask": 131072
    },
    {
      "policy": "true",
      "serviceMask": 262144
    }
  ],
  "IPSecMTU": 1280,
  "SupportCallHandover": true
}
absent
rapns[0].configuration[0].DefaultProtocolMask3absent
rapns[0].configuration[1].DefaultProtocolMask3absent
rapns[0].configuration[2].DefaultProtocolMask3absent
rapns[0].configuration[3].DefaultProtocolMask3absent
rapns[0].configuration[4].DefaultProtocolMask3absent
iPhone 14, 14 Plus, 14 Pro, 14 Pro Max: overrides_D73_D74_D27_D28.der.pri

Against the older copy named above, the newest earlier one with these phones' files; the compared version's copy has none, so this spans every update since.

Key pathBeforeAfter
aefs./nv/item_files/modem/mav/disable_sa_deprio_on_wifi_assistabsent1
aefs./nv/item_files/modem/mav/enable_dyn_vonrabsent1
aefs./nv/item_files/modem/mmode/nr5g_emc_supportabsent0
aefs./nv/item_files/modem/nr5g/RRC/cap_add_bwabsent772 bytes
cefs./policyman/carrier_policy.xml
<policy changelist="$Change: 14971833 $" name="ATT" policy_ver="125.1.2"> <initial> <mcc_list name="us_mccs">310 311 312 313 314 315 316 330 544</mcc_list> <rat_capability_if base="none"> <include>C H G W L 5G</include> </rat_capability_if> <define_fullrat_config> <rf_bands base="hard… 
<policy changelist="$Change: 14971833 $" name="ATT" policy_ver="125.1.2">
	<initial>
		<mcc_list name="us_mccs">310 311 312 313 314 315 316 330 544</mcc_list>
		<rat_capability_if base="none">
			<include>C H G W L 5G</include>
		</rat_capability_if>
		<define_fullrat_config>
			<rf_bands base="hardware"/>
			<rat_capability base="hardware"/>
		</define_fullrat_config>
		<boolean_define initial="true" name="cm:skip_3gpp2_cap_emerg"/>
		<rf_band_list name="rf_bands_home">
			<gw_bands base="hardware"/>
			<lte_bands base="hardware"/>
			<tds_bands base="none"/>
			<nr5g_sa_bands base="none">
				<include>1 4 65 76</include>
			</nr5g_sa_bands>
			<nr5g_nsa_bands base="hardware"/>
		</rf_band_list>
		<rf_band_list name="rf_bands_roam">
			<gw_bands base="hardware"/>
			<lte_bands base="hardware"/>
			<tds_bands base="none"/>
			<nr5g_sa_bands base="none"/>
			<nr5g_nsa_bands base="hardware"/>
		</rf_band_list>
	</initial>
	<if>
		<any_of>
			<not>
				<phone_operating_mode>ONLINE</phone_operating_mode>
			</not>
			<not>
				<have_location/>
			</not>
		</any_of>
		<then>
			<stop/>
		</then>
	</if>
	<svc_mode>FULL</svc_mode>
	<rat_capability base="hardware"/>
	<if>
		<location_mcc_in list="us_mccs"/>
		<then>
			<rat_capability base="none">
				<include>W L 5G</include>
			</rat_capability>
			<rf_bands list="rf_bands_home"/>
		</then>
		<else>
			<rat_capability base="none">
				<include>G W L 5G</include>
			</rat_capability>
			<rf_bands list="rf_bands_roam"/>
		</else>
	</if>
</policy>
<?xml version="1.0" encoding="UTF-8"?> <policy changelist="$Change: 14971833 $" name="ATT" policy_ver="125.1.2"> <initial> <mcc_list name="us_mccs">310 311 312 313 314 315 316 330 544</mcc_list> <rat_capability_if base="none"> <include>C H G W L 5G</include> </rat_capability_if> <define… 
<?xml version="1.0" encoding="UTF-8"?> 
<policy changelist="$Change: 14971833 $" name="ATT" policy_ver="125.1.2">
	<initial>
		<mcc_list name="us_mccs">310 311 312 313 314 315 316 330 544</mcc_list>
		<rat_capability_if base="none">
			<include>C H G W L 5G</include>
		</rat_capability_if>
		<define_fullrat_config>
			<rf_bands base="hardware"/>
			<rat_capability base="hardware"/>
		</define_fullrat_config>
		<boolean_define initial="true" name="cm:skip_3gpp2_cap_emerg"/>
		<rf_band_list name="rf_bands_home">
			<gw_bands base="hardware"/>
			<lte_bands base="hardware"/>
			<tds_bands base="none"/>
			<nr5g_sa_bands base="none">
				<include>1 4 65 76</include>
			</nr5g_sa_bands>
			<nr5g_nsa_bands base="hardware"/>
		</rf_band_list>
		<rf_band_list name="rf_bands_roam">
			<gw_bands base="hardware"/>
			<lte_bands base="hardware"/>
			<tds_bands base="none"/>
			<nr5g_sa_bands base="none"/>
			<nr5g_nsa_bands base="hardware"/>
		</rf_band_list>
	</initial>
	<if>
		<any_of>
			<not>
				<phone_operating_mode>ONLINE</phone_operating_mode>
			</not>
			<not>
				<have_location/>
			</not>
		</any_of>
		<then>
			<stop/>
		</then>
	</if>
	<svc_mode>FULL</svc_mode>
	<rat_capability base="hardware"/>
	<if>
		<location_mcc_in list="us_mccs"/>
		<then>
			<rat_capability base="none">
				<include>W L 5G</include>
			</rat_capability>
			<rf_bands list="rf_bands_home"/>
		</then>
		<else>
			<rat_capability base="none">
				<include>G W L 5G</include>
			</rat_capability>
			<rf_bands list="rf_bands_roam"/>
		</else>
	</if>
</policy>
cheader.PRI Revision0.2.1846.0.162
aschema[310]absent/nv/item_files/modem/uim/mmgsdi/invalidate_nitz
aschema[311]absent/nv/item_files/modem/lte/ML1/x2l_irat_2tx_ant
aschema[312]absent/nv/item_files/modem/mav/skip_lte_cap_prune
aschema[313]absent/nv/item_files/modem/mav/skip_icon_override_during_enh_buffering
aschema[314]absent/nv/item_files/modem/nas/mav_gfnh_recprcl_roaming
aschema[315]absent/nv/item_files/modem/mav/enable_ds_mit_for_inactive_nw_slice
aschema[316]absent/nv/item_files/modem/nas/mav_force_srvcc
cunknown.9f83e4350002b8000600a200
iPhone SE (3rd generation): overrides_D49.plist

Against the older copy named above, the newest earlier one with these phones' files; the compared version's copy has none, so this spans every update since.

Key pathBeforeAfter
rAttachAPN{"3GPP":{"password":"","PcscfAddressRequired":false,"username":"","apn":"ereseller","AllowedProtocolMask":3}}absent
rDefaultWhenImsSwitchOff0absent
cDerPriFileVersion1.2.1775.0.161
rForceWPSCallsOverCSfalseabsent
rIMSConfig
{"Signaling":{"PrivacyHeaderValue":"header","ForcedFeatureTags":"voice,sms","MaxFatalRegistrationErrors":1,"MaxReRegistrationAttempts":0,"LocalQoSTimeoutMTSeconds":6,"AdditionalHeaders":{"INVITE[wifi,911]":["P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}","Supported: geolocation"]},"… 
{
  "Signaling": {
    "PrivacyHeaderValue": "header",
    "ForcedFeatureTags": "voice,sms",
    "MaxFatalRegistrationErrors": 1,
    "MaxReRegistrationAttempts": 0,
    "LocalQoSTimeoutMTSeconds": 6,
    "AdditionalHeaders": {
      "INVITE[wifi,911]": [
        "P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}",
        "Supported: geolocation"
      ]
    },
    "EarlyMediaNeedsHeader": true,
    "InviteErrorResponsesToTriggerCSFB": "",
    "strictCallFlows": true,
    "SendEmergencyLocationUpdates": true,
    "TriggerCSFBOnLocalQoSTimeoutMO": false,
    "StartLocalQosTimerOnSessionProgress": true,
    "UseBase64ForMultipartSMS": false,
    "AddLocationToEmergencySMS": true,
    "SipTimers": {
      "D": 32000,
      "InviteResponseTimeout": 0,
      "AckRetransmitTimer": 32000,
      "AckReceiveTimeout": 32000,
      "J": 32000,
      "F": 32000,
      "B": 32000,
      "H": 32000
    },
    "LocalQoSTimeoutMOSeconds": 10,
    "RegisterOnServiceUpdate": false,
    "RegistrationPolicy": "ATT",
    "RingingTimerSeconds": 45,
    "CSFBOnAccessBarred": true,
    "AdditionalContactParams": {
      "INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting"
    },
    "NetworkTerminationRetryIntervalSeconds": 1,
    "KillRegistrationOnHandoverTimeout": false,
    "TriggerCSFBOnLocalQoSTimeoutMT": false,
    "OutgoingDomain": "1",
    "EmergencyCallBackModeExpirationSeconds": 20,
    "Preconditions": "Supported",
    "EmergencyLocationLookupTimeout": 6,
    "WaitForRingingTimerMOSeconds": 0,
    "PIDFConfidence": 90,
    "UseCIDUrlInPIDF": true,
    "AccessNetworkRefreshDelayMilliseconds": 30000,
    "AlwaysAddGeolocationForEmergencyCalls": true,
    "PIDFGeoPrivShape": "ellipsoid",
    "AccessNetworkRefreshMethod": "INVITE",
    "IgnoreOverridesForWPSCalls": true,
    "UseTupleInPIDF": true,
    "WaitForRingingTimerMTSeconds": 8,
    "Allow3DPIDFInMessages": true,
    "IgnoreFromHeaderForSenderName": false,
    "ClearRegistrationCallIdOnDeinitialization": true,
    "UseT3402ForPdpBackoff": true,
    "AlwaysSendSessionProgress": true,
    "PerCallQoSIndications": false,
    "AddLocationInInviteResponses": "180,183",
    "IPSecSegmentOffset": 210,
    "ReRegisterOnInternalRequestTimeout": true,
    "WifiAccessInfo": "000000000000",
    "RequirePreconditionsWhenMandatory": false,
    "SupportPEarlyMediaHeader": true,
    "UseIPSec": true,
    "RegistrationRetryIntervals": "0",
    "AccessBarringType": "ACB",
    "UseFakeSAsForDeregistration": true,
    "ussdEnabled": true,
    "IncomingCallEndReasons": {
      "NotFound": {
        "StatusCode": 404,
        "TerminationEvent": "RemoteHangup"
      },
      "TemporarilyUnavailable": {
        "StatusCode": 480,
        "TerminationEvent": "RemoteHangup"
      }
    },
    "ReRegisterOnErrorCodes": "REGISTER:480,500,503,504;INVITE:60,403,504",
    "LocationForShortCodeCalls": "CIVIC",
    "CountryOfOriginationFormat": "BOTH",
    "EmergencyPreferredIdentity": "IMEI",
    "RingbackTimerSeconds": 180,
    "AllowResponsesOverDifferentTransport": false,
    "WaitForRingingTimerWPSSeconds": 8,
    "SendPreferredServiceInInvite": true
  },
  "LocalShortCodeNumbers": [
    "211",
    "311",
    "411",
    "511",
    "611",
    "711",
    "811"
  ],
  "CallTransfer": {
    "CallTransferOnlyIfIMSRegistered": true,
    "CallTransferRequestUri": "pull-VoLTE-active@one.att.net",
    "CallTransferDialNumber": "######",
    "CallTransferToUri": "pull-SP-active@one.att.net"
  },
  "ConferenceCalling": {
    "TreatAllNotificationsAsPartial": true,
    "conferenceServer": "sip:n-way_voice@one.att.net"
  },
  "AllowHandoverWithoutIMSVoiceService": true,
  "SMS": {
    "enableInNonVoLTEMode": false,
    "SMSBundleToVoice": false,
    "allowCSFBInVolteMode": false
  },
  "XCAP": {
    "IgnoreSimFileCFIS": true,
    "SupportsCLIR": false,
    "DisableOnNetworkError": false,
    "UnsolicitedRequestDelay": 0,
    "ForbiddenHttpErrorCodes": "",
    "ContentType": "application/xcap-el+xml",
    "ImpuRank": "tel:MDN,tel:other,MDN@domain,MDN@other,IMSI@domain,IMSI@3gpp,IMSI@other,sip:other@domain,sip:other",
    "supported": true
  },
  "Media": {
    "RTCPIntervalSeconds": 5,
    "InactivityTimerRTPSeconds": 20,
    "HoldHeartbeatIntervalSeconds": 5,
    "RTTBandwidthSpecifierRTCPPercentage": 10,
    "EnableBandwidthSpecifiers": true,
    "EnableRemoteRTCPDeactivation": true,
    "InactivityTimerRTCPSeconds": 20,
    "AllowIPv6UnicastAddress": true,
    "TTYRelayNumber": "711",
    "StopLocalRingbackToneOn181": false,
    "UseRestrictiveDirectionWhenCreatingAnswer": false,
    "RTTBandwidthSpecifierASValue": 4,
    "DTMFInterDigitIntervalMilliseconds": 540,
    "EnableIncomingDTMF": true,
    "IncludeSDPMaxRed": true
  },
  "SIM": {
    "USIMFallbackSupport": false
  },
  "Voice": {
    "ttyIMSSupported": true,
    "EnableVolteByDefault": true,
    "E911OverITechSupported": false,
    "E911OverCSIfNoIMSReg": true,
    "endNonEmergencyCalls": true,
    "CheckIMSPrefForEmergency": false,
    "CellularE911SearchTimeout": 5,
    "tLte911Timer": 0,
    "EnableHoldForRTT": true
  }
}
absent
rIgnoresDeactivateOnNetworkScanServiceMask131072absent
rLocation{"EnableCPIDuringEmergencyMode":true,"EnableEarlyReturnDuringEmergencyMode":false}absent
rPushSettings{"VVMTopic":"com.att.ent.cns.vvm","VoWiFiTopic":"com.att.ent.cns.vowifi"}absent
rShowVolteSwitchfalseabsent
rShowVolteWarningUnsupportedCarrierfalseabsent
rShowWiFiCallingWarningUnsupportedCarrierfalseabsent
rSupportsIMSSignalingIndicationtrueabsent
rSupportsImsCapabilitytrueabsent
rTechSettings
{"FatalActivationErrors":[8192],"ChildSAs":{"FirstChild":{"ChildProposals":[{"EncryptionAlgorithm":["AES-128"],"Lifetime":80000,"IntegrityAlgorithm":["SHA2-256"]}],"InstallPolicies":true,"ReplayWindowSize":12}},"iRatPolicies":{"PreferredTechnology":"cellular","PreferredTechnologyRoaming":"wifi"},"Ex… 
{
  "FatalActivationErrors": [
    8192
  ],
  "ChildSAs": {
    "FirstChild": {
      "ChildProposals": [
        {
          "EncryptionAlgorithm": [
            "AES-128"
          ],
          "Lifetime": 80000,
          "IntegrityAlgorithm": [
            "SHA2-256"
          ]
        }
      ],
      "InstallPolicies": true,
      "ReplayWindowSize": 12
    }
  },
  "iRatPolicies": {
    "PreferredTechnology": "cellular",
    "PreferredTechnologyRoaming": "wifi"
  },
  "ExtraConfigurationAttributeRequestv6": [
    {
      "Identifier": 16386,
      "Name": "AssignedPCSCFIPv6",
      "Type": "IPv6Address"
    }
  ],
  "SupportContextSwitchOver": true,
  "WiFiCallingControlsAlliWLanServices": true,
  "AllowHandOverFromDataModeList": [
    "LTE"
  ],
  "WifiCallingAllowedInRoaming": true,
  "PdnErrorsToBlockHandover": "54",
  "5wiServiceMask": 3,
  "IKE": {
    "Proposals": [
      {
        "EncryptionAlgorithm": "AES-128",
        "IntegrityAlgorithm": "SHA2-256",
        "DHGroup": 14,
        "AuthenticationMethod": "None",
        "Lifetime": 80000,
        "EAPMethod": "EAP-AKA",
        "PRFAlgorithm": "SHA2-256"
      }
    ],
    "DeadPeerDetectionEnabled": false,
    "DeadPeerDetectionMaxRetries": 4,
    "DeadPeerDetectionInterval": 600,
    "LocalIdentifier": "0$imsi@nai.epc.mnc$mnc.mcc$mcc.3gppnetwork.org",
    "NATTKeepAliveOffload": true,
    "ValidateRemoteCertificate": false,
    "RemoteAddress": "epdg.epc.att.net",
    "DeadPeerDetectionRetryInterval": 10
  },
  "AllowRoamingHandover": false,
  "ExtraConfigurationAttributeRequestv4": [
    {
      "Identifier": 16384,
      "Name": "AssignedPCSCFIPv4",
      "Type": "IPv4Address"
    }
  ],
  "SetHandOverIPv6Prefix": true,
  "TechPolicies": [
    {
      "policy": "cellData=false",
      "serviceMask": 1081367
    },
    {
      "policy": "true",
      "serviceMask": 131072
    },
    {
      "policy": "true",
      "serviceMask": 262144
    }
  ],
  "IPSecMTU": 1280,
  "SupportCallHandover": true
}
absent
rapns[0].configuration[0].DefaultProtocolMask3absent
rapns[0].configuration[1].DefaultProtocolMask3absent
rapns[0].configuration[2].DefaultProtocolMask3absent
rapns[0].configuration[3].DefaultProtocolMask3absent
rapns[0].configuration[4].DefaultProtocolMask3absent
iPhone SE (3rd generation): overrides_D49.der.pri

Against the older copy named above, the newest earlier one with these phones' files; the compared version's copy has none, so this spans every update since.

Key pathBeforeAfter
cefs./policyman/carrier_policy.xml
<policy changelist="$Change: 14971833 $" name="ATT" policy_ver="125.1.2"> <initial> <mcc_list name="us_mccs">310 311 312 313 314 315 316 330 544</mcc_list> <rat_capability_if base="none"> <include>C H G W L 5G</include> </rat_capability_if> <define_fullrat_config> <rf_bands base="hard… 
<policy changelist="$Change: 14971833 $" name="ATT" policy_ver="125.1.2">
	<initial>
		<mcc_list name="us_mccs">310 311 312 313 314 315 316 330 544</mcc_list>
		<rat_capability_if base="none">
			<include>C H G W L 5G</include>
		</rat_capability_if>
		<define_fullrat_config>
			<rf_bands base="hardware"/>
			<rat_capability base="hardware"/>
		</define_fullrat_config>
		<boolean_define initial="true" name="cm:skip_3gpp2_cap_emerg"/>
	</initial>
	<if>
		<any_of>
			<not>
				<phone_operating_mode>ONLINE</phone_operating_mode>
			</not>
			<not>
				<have_location/>
			</not>
		</any_of>
		<then>
			<stop/>
		</then>
	</if>
	<svc_mode>FULL</svc_mode>
	<rat_capability base="hardware"/>
	<if>
		<location_mcc_in list="us_mccs"/>
		<then>
			<rat_capability base="none">
				<include>W L 5G</include>
			</rat_capability>
		</then>
		<else>
			<rat_capability base="none">
				<include>G W L 5G</include>
			</rat_capability>
		</else>
	</if>
</policy>
<?xml version="1.0" encoding="UTF-8"?> <policy changelist="$Change: 14971833 $" name="ATT" policy_ver="125.1.2"> <initial> <mcc_list name="us_mccs">310 311 312 313 314 315 316 330 544</mcc_list> <rat_capability_if base="none"> <include>C H G W L 5G</include> </rat_capability_if> <define… 
<?xml version="1.0" encoding="UTF-8"?> 
<policy changelist="$Change: 14971833 $" name="ATT" policy_ver="125.1.2">
	<initial>
		<mcc_list name="us_mccs">310 311 312 313 314 315 316 330 544</mcc_list>
		<rat_capability_if base="none">
			<include>C H G W L 5G</include>
		</rat_capability_if>
		<define_fullrat_config>
			<rf_bands base="hardware"/>
			<rat_capability base="hardware"/>
		</define_fullrat_config>
		<boolean_define initial="true" name="cm:skip_3gpp2_cap_emerg"/>
	</initial>
	<if>
		<any_of>
			<not>
				<phone_operating_mode>ONLINE</phone_operating_mode>
			</not>
			<not>
				<have_location/>
			</not>
		</any_of>
		<then>
			<stop/>
		</then>
	</if>
	<svc_mode>FULL</svc_mode>
	<rat_capability base="hardware"/>
	<if>
		<location_mcc_in list="us_mccs"/>
		<then>
			<rat_capability base="none">
				<include>W L 5G</include>
			</rat_capability>
		</then>
		<else>
			<rat_capability base="none">
				<include>G W L 5G</include>
			</rat_capability>
		</else>
	</if>
</policy>
cheader.PRI Revision1.2.1775.0.161
aschema[258]absent/nv/item_files/modem/uim/mmgsdi/invalidate_nitz
aschema[259]absent/nv/item_files/modem/lte/ML1/x2l_irat_2tx_ant
cunknown.9f83e4350102b1000500a100
iPhone 13, 13 mini, 13 Pro, 13 Pro Max: overrides_D63_D64_D16_D17.plist

Against the older copy named above, the newest earlier one with these phones' files; the compared version's copy has none, so this spans every update since.

Key pathBeforeAfter
rAttachAPN{"3GPP":{"password":"","PcscfAddressRequired":false,"username":"","apn":"ereseller","AllowedProtocolMask":3}}absent
rDefaultWhenImsSwitchOff0absent
cDerPriFileVersion1.3.1806.0.162
rForceWPSCallsOverCSfalseabsent
rIMSConfig
{"Signaling":{"PrivacyHeaderValue":"header","ForcedFeatureTags":"voice,sms","MaxFatalRegistrationErrors":1,"MaxReRegistrationAttempts":0,"LocalQoSTimeoutMTSeconds":6,"AdditionalHeaders":{"INVITE[wifi,911]":["P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}","Supported: geolocation"]},"… 
{
  "Signaling": {
    "PrivacyHeaderValue": "header",
    "ForcedFeatureTags": "voice,sms",
    "MaxFatalRegistrationErrors": 1,
    "MaxReRegistrationAttempts": 0,
    "LocalQoSTimeoutMTSeconds": 6,
    "AdditionalHeaders": {
      "INVITE[wifi,911]": [
        "P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}",
        "Supported: geolocation"
      ]
    },
    "EarlyMediaNeedsHeader": true,
    "InviteErrorResponsesToTriggerCSFB": "",
    "strictCallFlows": true,
    "SendEmergencyLocationUpdates": true,
    "TriggerCSFBOnLocalQoSTimeoutMO": false,
    "StartLocalQosTimerOnSessionProgress": true,
    "UseBase64ForMultipartSMS": false,
    "AddLocationToEmergencySMS": true,
    "SipTimers": {
      "D": 32000,
      "InviteResponseTimeout": 0,
      "AckRetransmitTimer": 32000,
      "AckReceiveTimeout": 32000,
      "J": 32000,
      "F": 32000,
      "B": 32000,
      "H": 32000
    },
    "LocalQoSTimeoutMOSeconds": 10,
    "RegisterOnServiceUpdate": false,
    "RegistrationPolicy": "ATT",
    "RingingTimerSeconds": 45,
    "CSFBOnAccessBarred": true,
    "AdditionalContactParams": {
      "INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting"
    },
    "NetworkTerminationRetryIntervalSeconds": 1,
    "KillRegistrationOnHandoverTimeout": false,
    "TriggerCSFBOnLocalQoSTimeoutMT": false,
    "OutgoingDomain": "1",
    "EmergencyCallBackModeExpirationSeconds": 20,
    "Preconditions": "Supported",
    "EmergencyLocationLookupTimeout": 6,
    "WaitForRingingTimerMOSeconds": 0,
    "PIDFConfidence": 90,
    "UseCIDUrlInPIDF": true,
    "AccessNetworkRefreshDelayMilliseconds": 30000,
    "AlwaysAddGeolocationForEmergencyCalls": true,
    "PIDFGeoPrivShape": "ellipsoid",
    "AccessNetworkRefreshMethod": "INVITE",
    "IgnoreOverridesForWPSCalls": true,
    "UseTupleInPIDF": true,
    "WaitForRingingTimerMTSeconds": 8,
    "Allow3DPIDFInMessages": true,
    "IgnoreFromHeaderForSenderName": false,
    "ClearRegistrationCallIdOnDeinitialization": true,
    "UseT3402ForPdpBackoff": true,
    "AlwaysSendSessionProgress": true,
    "PerCallQoSIndications": false,
    "AddLocationInInviteResponses": "180,183",
    "IPSecSegmentOffset": 210,
    "ReRegisterOnInternalRequestTimeout": true,
    "WifiAccessInfo": "000000000000",
    "RequirePreconditionsWhenMandatory": false,
    "SupportPEarlyMediaHeader": true,
    "UseIPSec": true,
    "RegistrationRetryIntervals": "0",
    "AccessBarringType": "ACB",
    "UseFakeSAsForDeregistration": true,
    "ussdEnabled": true,
    "IncomingCallEndReasons": {
      "NotFound": {
        "StatusCode": 404,
        "TerminationEvent": "RemoteHangup"
      },
      "TemporarilyUnavailable": {
        "StatusCode": 480,
        "TerminationEvent": "RemoteHangup"
      }
    },
    "ReRegisterOnErrorCodes": "REGISTER:480,500,503,504;INVITE:60,403,504",
    "LocationForShortCodeCalls": "CIVIC",
    "CountryOfOriginationFormat": "BOTH",
    "EmergencyPreferredIdentity": "IMEI",
    "RingbackTimerSeconds": 180,
    "AllowResponsesOverDifferentTransport": false,
    "WaitForRingingTimerWPSSeconds": 8,
    "SendPreferredServiceInInvite": true
  },
  "LocalShortCodeNumbers": [
    "211",
    "311",
    "411",
    "511",
    "611",
    "711",
    "811"
  ],
  "CallTransfer": {
    "CallTransferOnlyIfIMSRegistered": true,
    "CallTransferRequestUri": "pull-VoLTE-active@one.att.net",
    "CallTransferDialNumber": "######",
    "CallTransferToUri": "pull-SP-active@one.att.net"
  },
  "ConferenceCalling": {
    "TreatAllNotificationsAsPartial": true,
    "conferenceServer": "sip:n-way_voice@one.att.net"
  },
  "AllowHandoverWithoutIMSVoiceService": true,
  "SMS": {
    "enableInNonVoLTEMode": false,
    "SMSBundleToVoice": false,
    "allowCSFBInVolteMode": false
  },
  "XCAP": {
    "IgnoreSimFileCFIS": true,
    "SupportsCLIR": false,
    "DisableOnNetworkError": false,
    "UnsolicitedRequestDelay": 0,
    "ForbiddenHttpErrorCodes": "",
    "ContentType": "application/xcap-el+xml",
    "ImpuRank": "tel:MDN,tel:other,MDN@domain,MDN@other,IMSI@domain,IMSI@3gpp,IMSI@other,sip:other@domain,sip:other",
    "supported": true
  },
  "Media": {
    "RTCPIntervalSeconds": 5,
    "InactivityTimerRTPSeconds": 20,
    "HoldHeartbeatIntervalSeconds": 5,
    "RTTBandwidthSpecifierRTCPPercentage": 10,
    "EnableBandwidthSpecifiers": true,
    "EnableRemoteRTCPDeactivation": true,
    "InactivityTimerRTCPSeconds": 20,
    "AllowIPv6UnicastAddress": true,
    "TTYRelayNumber": "711",
    "StopLocalRingbackToneOn181": false,
    "UseRestrictiveDirectionWhenCreatingAnswer": false,
    "RTTBandwidthSpecifierASValue": 4,
    "DTMFInterDigitIntervalMilliseconds": 540,
    "EnableIncomingDTMF": true,
    "IncludeSDPMaxRed": true
  },
  "SIM": {
    "USIMFallbackSupport": false
  },
  "Voice": {
    "ttyIMSSupported": true,
    "EnableVolteByDefault": true,
    "E911OverITechSupported": false,
    "E911OverCSIfNoIMSReg": true,
    "endNonEmergencyCalls": true,
    "CheckIMSPrefForEmergency": false,
    "CellularE911SearchTimeout": 5,
    "tLte911Timer": 0,
    "EnableHoldForRTT": true
  }
}
absent
rIgnoresDeactivateOnNetworkScanServiceMask131072absent
rLocation{"EnableCPIDuringEmergencyMode":true,"EnableEarlyReturnDuringEmergencyMode":false}absent
rPushSettings{"VVMTopic":"com.att.ent.cns.vvm","VoWiFiTopic":"com.att.ent.cns.vowifi"}absent
rShowVolteSwitchfalseabsent
rShowVolteWarningUnsupportedCarrierfalseabsent
rShowWiFiCallingWarningUnsupportedCarrierfalseabsent
rSupportsIMSSignalingIndicationtrueabsent
rSupportsImsCapabilitytrueabsent
rTechSettings
{"FatalActivationErrors":[8192],"ChildSAs":{"FirstChild":{"ChildProposals":[{"EncryptionAlgorithm":["AES-128"],"Lifetime":80000,"IntegrityAlgorithm":["SHA2-256"]}],"InstallPolicies":true,"ReplayWindowSize":12}},"iRatPolicies":{"PreferredTechnology":"cellular","PreferredTechnologyRoaming":"wifi"},"Ex… 
{
  "FatalActivationErrors": [
    8192
  ],
  "ChildSAs": {
    "FirstChild": {
      "ChildProposals": [
        {
          "EncryptionAlgorithm": [
            "AES-128"
          ],
          "Lifetime": 80000,
          "IntegrityAlgorithm": [
            "SHA2-256"
          ]
        }
      ],
      "InstallPolicies": true,
      "ReplayWindowSize": 12
    }
  },
  "iRatPolicies": {
    "PreferredTechnology": "cellular",
    "PreferredTechnologyRoaming": "wifi"
  },
  "ExtraConfigurationAttributeRequestv6": [
    {
      "Identifier": 16386,
      "Name": "AssignedPCSCFIPv6",
      "Type": "IPv6Address"
    }
  ],
  "SupportContextSwitchOver": true,
  "WiFiCallingControlsAlliWLanServices": true,
  "AllowHandOverFromDataModeList": [
    "LTE"
  ],
  "WifiCallingAllowedInRoaming": true,
  "PdnErrorsToBlockHandover": "54",
  "5wiServiceMask": 3,
  "IKE": {
    "Proposals": [
      {
        "EncryptionAlgorithm": "AES-128",
        "IntegrityAlgorithm": "SHA2-256",
        "DHGroup": 14,
        "AuthenticationMethod": "None",
        "Lifetime": 80000,
        "EAPMethod": "EAP-AKA",
        "PRFAlgorithm": "SHA2-256"
      }
    ],
    "DeadPeerDetectionEnabled": false,
    "DeadPeerDetectionMaxRetries": 4,
    "DeadPeerDetectionInterval": 600,
    "LocalIdentifier": "0$imsi@nai.epc.mnc$mnc.mcc$mcc.3gppnetwork.org",
    "NATTKeepAliveOffload": true,
    "ValidateRemoteCertificate": false,
    "RemoteAddress": "epdg.epc.att.net",
    "DeadPeerDetectionRetryInterval": 10
  },
  "AllowRoamingHandover": false,
  "ExtraConfigurationAttributeRequestv4": [
    {
      "Identifier": 16384,
      "Name": "AssignedPCSCFIPv4",
      "Type": "IPv4Address"
    }
  ],
  "SetHandOverIPv6Prefix": true,
  "TechPolicies": [
    {
      "policy": "cellData=false",
      "serviceMask": 1081367
    },
    {
      "policy": "true",
      "serviceMask": 131072
    },
    {
      "policy": "true",
      "serviceMask": 262144
    }
  ],
  "IPSecMTU": 1280,
  "SupportCallHandover": true
}
absent
rapns[0].configuration[0].DefaultProtocolMask3absent
rapns[0].configuration[1].DefaultProtocolMask3absent
rapns[0].configuration[2].DefaultProtocolMask3absent
rapns[0].configuration[3].DefaultProtocolMask3absent
rapns[0].configuration[4].DefaultProtocolMask3absent
iPhone 13, 13 mini, 13 Pro, 13 Pro Max: overrides_D63_D64_D16_D17.der.pri

Against the older copy named above, the newest earlier one with these phones' files; the compared version's copy has none, so this spans every update since.

Key pathBeforeAfter
aefs./nv/item_files/modem/mav/enable_dyn_vonrabsent1
aefs./nv/item_files/modem/mmode/nr5g_emc_supportabsent0
cefs./policyman/carrier_policy.xml
<policy changelist="$Change: 14971833 $" name="ATT" policy_ver="125.1.2"> <initial> <mcc_list name="us_mccs">310 311 312 313 314 315 316 330 544</mcc_list> <rat_capability_if base="none"> <include>C H G W L 5G</include> </rat_capability_if> <define_fullrat_config> <rf_bands base="hard… 
<policy changelist="$Change: 14971833 $" name="ATT" policy_ver="125.1.2">
	<initial>
		<mcc_list name="us_mccs">310 311 312 313 314 315 316 330 544</mcc_list>
		<rat_capability_if base="none">
			<include>C H G W L 5G</include>
		</rat_capability_if>
		<define_fullrat_config>
			<rf_bands base="hardware"/>
			<rat_capability base="hardware"/>
		</define_fullrat_config>
		<boolean_define initial="true" name="cm:skip_3gpp2_cap_emerg"/>
		<rf_band_list name="rf_bands_home">
			<gw_bands base="hardware"/>
			<lte_bands base="hardware"/>
			<tds_bands base="none"/>
			<nr5g_sa_bands base="none">
				<include>1 4 65 76</include>
			</nr5g_sa_bands>
			<nr5g_nsa_bands base="hardware"/>
		</rf_band_list>
		<rf_band_list name="rf_bands_roam">
			<gw_bands base="hardware"/>
			<lte_bands base="hardware"/>
			<tds_bands base="none"/>
			<nr5g_sa_bands base="none"/>
			<nr5g_nsa_bands base="hardware"/>
		</rf_band_list>
	</initial>
	<if>
		<any_of>
			<not>
				<phone_operating_mode>ONLINE</phone_operating_mode>
			</not>
			<not>
				<have_location/>
			</not>
		</any_of>
		<then>
			<stop/>
		</then>
	</if>
	<svc_mode>FULL</svc_mode>
	<rat_capability base="hardware"/>
	<if>
		<location_mcc_in list="us_mccs"/>
		<then>
			<rat_capability base="none">
				<include>W L 5G</include>
			</rat_capability>
			<rf_bands list="rf_bands_home"/>
		</then>
		<else>
			<rat_capability base="none">
				<include>G W L 5G</include>
			</rat_capability>
			<rf_bands list="rf_bands_roam"/>
		</else>
	</if>
</policy>
<?xml version="1.0" encoding="UTF-8"?> <policy changelist="$Change: 14971833 $" name="ATT" policy_ver="125.1.2"> <initial> <mcc_list name="us_mccs">310 311 312 313 314 315 316 330 544</mcc_list> <rat_capability_if base="none"> <include>C H G W L 5G</include> </rat_capability_if> <define… 
<?xml version="1.0" encoding="UTF-8"?> 
<policy changelist="$Change: 14971833 $" name="ATT" policy_ver="125.1.2">
	<initial>
		<mcc_list name="us_mccs">310 311 312 313 314 315 316 330 544</mcc_list>
		<rat_capability_if base="none">
			<include>C H G W L 5G</include>
		</rat_capability_if>
		<define_fullrat_config>
			<rf_bands base="hardware"/>
			<rat_capability base="hardware"/>
		</define_fullrat_config>
		<boolean_define initial="true" name="cm:skip_3gpp2_cap_emerg"/>
		<rf_band_list name="rf_bands_home">
			<gw_bands base="hardware"/>
			<lte_bands base="hardware"/>
			<tds_bands base="none"/>
			<nr5g_sa_bands base="none">
				<include>1 4 65 76</include>
			</nr5g_sa_bands>
			<nr5g_nsa_bands base="hardware"/>
		</rf_band_list>
		<rf_band_list name="rf_bands_roam">
			<gw_bands base="hardware"/>
			<lte_bands base="hardware"/>
			<tds_bands base="none"/>
			<nr5g_sa_bands base="none"/>
			<nr5g_nsa_bands base="hardware"/>
		</rf_band_list>
	</initial>
	<if>
		<any_of>
			<not>
				<phone_operating_mode>ONLINE</phone_operating_mode>
			</not>
			<not>
				<have_location/>
			</not>
		</any_of>
		<then>
			<stop/>
		</then>
	</if>
	<svc_mode>FULL</svc_mode>
	<rat_capability base="hardware"/>
	<if>
		<location_mcc_in list="us_mccs"/>
		<then>
			<rat_capability base="none">
				<include>W L 5G</include>
			</rat_capability>
			<rf_bands list="rf_bands_home"/>
		</then>
		<else>
			<rat_capability base="none">
				<include>G W L 5G</include>
			</rat_capability>
			<rf_bands list="rf_bands_roam"/>
		</else>
	</if>
</policy>
cheader.PRI Revision1.3.1806.0.162
rschema[12]/nv/item_files/modem/data/3gpp/lteps/auto_connect_def_pdnabsent
rschema[137]/nv/item_files/modem/data/3gpp/ps/ran_bit_rate_supportabsent
rschema[213]/nv/item_files/modem/data/3gpp/ps/nr5g_ran_bit_rate_supportabsent
rschema[220]/nv/item_files/modem/data/3gpp/ps/uw_allow_abnormal_defaultabsent
rschema[227]/nv/item_files/modem/mav/mav_ignore_n77_mm_coverage_exit_checkabsent
rschema[229]/nv/item_files/modem/mav/mav_ignore_cell_change_checkabsent
rschema[244]/nv/item_files/modem/lte/rrc/efs/lte_3gpp_release_verabsent
aschema[259]absent/nv/item_files/modem/uim/mmgsdi/invalidate_nitz
aschema[260]absent/nv/item_files/modem/lte/ML1/x2l_irat_2tx_ant
aschema[261]absent/nv/item_files/modem/mav/skip_lte_cap_prune
aschema[262]absent/nv/item_files/modem/nas/mav_pssi_reg_gfnh_allowed_frequencies_per_carrier
aschema[263]absent/nv/item_files/modem/nas/mav_gfnh_recprcl_roaming
aschema[264]absent/nv/item_files/modem/nas/mav_force_srvcc
cunknown.9f83e4350103b4000600a200
iPhone 12, 12 mini, 12 Pro, 12 Pro Max: overrides_D52g_D53g_D53p_D54p.plist

Against the older copy named above, the newest earlier one with these phones' files; the compared version's copy has none, so this spans every update since.

Key pathBeforeAfter
rAttachAPN{"3GPP":{"password":"","PcscfAddressRequired":false,"username":"","apn":"ereseller","AllowedProtocolMask":3}}absent
rDefaultWhenImsSwitchOff0absent
cDerPriFileVersion0.3.1765.0.161
rForceWPSCallsOverCSfalseabsent
rIMSConfig
{"Signaling":{"PrivacyHeaderValue":"header","ForcedFeatureTags":"voice,sms","MaxFatalRegistrationErrors":1,"MaxReRegistrationAttempts":0,"LocalQoSTimeoutMTSeconds":6,"AdditionalHeaders":{"INVITE[wifi,911]":["P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}","Supported: geolocation"]},"… 
{
  "Signaling": {
    "PrivacyHeaderValue": "header",
    "ForcedFeatureTags": "voice,sms",
    "MaxFatalRegistrationErrors": 1,
    "MaxReRegistrationAttempts": 0,
    "LocalQoSTimeoutMTSeconds": 6,
    "AdditionalHeaders": {
      "INVITE[wifi,911]": [
        "P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}",
        "Supported: geolocation"
      ]
    },
    "EarlyMediaNeedsHeader": true,
    "InviteErrorResponsesToTriggerCSFB": "",
    "strictCallFlows": true,
    "SendEmergencyLocationUpdates": true,
    "TriggerCSFBOnLocalQoSTimeoutMO": false,
    "StartLocalQosTimerOnSessionProgress": true,
    "UseBase64ForMultipartSMS": false,
    "AddLocationToEmergencySMS": true,
    "SipTimers": {
      "D": 32000,
      "InviteResponseTimeout": 0,
      "AckRetransmitTimer": 32000,
      "AckReceiveTimeout": 32000,
      "J": 32000,
      "F": 32000,
      "B": 32000,
      "H": 32000
    },
    "LocalQoSTimeoutMOSeconds": 10,
    "RegisterOnServiceUpdate": false,
    "RegistrationPolicy": "ATT",
    "RingingTimerSeconds": 45,
    "CSFBOnAccessBarred": true,
    "AdditionalContactParams": {
      "INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting"
    },
    "NetworkTerminationRetryIntervalSeconds": 1,
    "KillRegistrationOnHandoverTimeout": false,
    "TriggerCSFBOnLocalQoSTimeoutMT": false,
    "OutgoingDomain": "1",
    "EmergencyCallBackModeExpirationSeconds": 20,
    "Preconditions": "Supported",
    "EmergencyLocationLookupTimeout": 6,
    "WaitForRingingTimerMOSeconds": 0,
    "PIDFConfidence": 90,
    "UseCIDUrlInPIDF": true,
    "AccessNetworkRefreshDelayMilliseconds": 30000,
    "AlwaysAddGeolocationForEmergencyCalls": true,
    "PIDFGeoPrivShape": "ellipsoid",
    "AccessNetworkRefreshMethod": "INVITE",
    "IgnoreOverridesForWPSCalls": true,
    "UseTupleInPIDF": true,
    "WaitForRingingTimerMTSeconds": 8,
    "Allow3DPIDFInMessages": true,
    "IgnoreFromHeaderForSenderName": false,
    "ClearRegistrationCallIdOnDeinitialization": true,
    "UseT3402ForPdpBackoff": true,
    "AlwaysSendSessionProgress": true,
    "PerCallQoSIndications": false,
    "AddLocationInInviteResponses": "180,183",
    "IPSecSegmentOffset": 210,
    "ReRegisterOnInternalRequestTimeout": true,
    "WifiAccessInfo": "000000000000",
    "RequirePreconditionsWhenMandatory": false,
    "SupportPEarlyMediaHeader": true,
    "UseIPSec": true,
    "RegistrationRetryIntervals": "0",
    "AccessBarringType": "ACB",
    "UseFakeSAsForDeregistration": true,
    "ussdEnabled": true,
    "IncomingCallEndReasons": {
      "NotFound": {
        "StatusCode": 404,
        "TerminationEvent": "RemoteHangup"
      },
      "TemporarilyUnavailable": {
        "StatusCode": 480,
        "TerminationEvent": "RemoteHangup"
      }
    },
    "ReRegisterOnErrorCodes": "REGISTER:480,500,503,504;INVITE:60,403,504",
    "LocationForShortCodeCalls": "CIVIC",
    "CountryOfOriginationFormat": "BOTH",
    "EmergencyPreferredIdentity": "IMEI",
    "RingbackTimerSeconds": 180,
    "AllowResponsesOverDifferentTransport": false,
    "WaitForRingingTimerWPSSeconds": 8,
    "SendPreferredServiceInInvite": true
  },
  "LocalShortCodeNumbers": [
    "211",
    "311",
    "411",
    "511",
    "611",
    "711",
    "811"
  ],
  "CallTransfer": {
    "CallTransferOnlyIfIMSRegistered": true,
    "CallTransferRequestUri": "pull-VoLTE-active@one.att.net",
    "CallTransferDialNumber": "######",
    "CallTransferToUri": "pull-SP-active@one.att.net"
  },
  "ConferenceCalling": {
    "TreatAllNotificationsAsPartial": true,
    "conferenceServer": "sip:n-way_voice@one.att.net"
  },
  "AllowHandoverWithoutIMSVoiceService": true,
  "SMS": {
    "enableInNonVoLTEMode": false,
    "SMSBundleToVoice": false,
    "allowCSFBInVolteMode": false
  },
  "XCAP": {
    "IgnoreSimFileCFIS": true,
    "SupportsCLIR": false,
    "DisableOnNetworkError": false,
    "UnsolicitedRequestDelay": 0,
    "ForbiddenHttpErrorCodes": "",
    "ContentType": "application/xcap-el+xml",
    "ImpuRank": "tel:MDN,tel:other,MDN@domain,MDN@other,IMSI@domain,IMSI@3gpp,IMSI@other,sip:other@domain,sip:other",
    "supported": true
  },
  "Media": {
    "RTCPIntervalSeconds": 5,
    "InactivityTimerRTPSeconds": 20,
    "HoldHeartbeatIntervalSeconds": 5,
    "RTTBandwidthSpecifierRTCPPercentage": 10,
    "EnableBandwidthSpecifiers": true,
    "EnableRemoteRTCPDeactivation": true,
    "InactivityTimerRTCPSeconds": 20,
    "AllowIPv6UnicastAddress": true,
    "TTYRelayNumber": "711",
    "StopLocalRingbackToneOn181": false,
    "UseRestrictiveDirectionWhenCreatingAnswer": false,
    "RTTBandwidthSpecifierASValue": 4,
    "DTMFInterDigitIntervalMilliseconds": 540,
    "EnableIncomingDTMF": true,
    "IncludeSDPMaxRed": true
  },
  "SIM": {
    "USIMFallbackSupport": false
  },
  "Voice": {
    "ttyIMSSupported": true,
    "EnableVolteByDefault": true,
    "E911OverITechSupported": false,
    "E911OverCSIfNoIMSReg": true,
    "endNonEmergencyCalls": true,
    "CheckIMSPrefForEmergency": false,
    "CellularE911SearchTimeout": 5,
    "tLte911Timer": 0,
    "EnableHoldForRTT": true
  }
}
absent
rIgnoresDeactivateOnNetworkScanServiceMask131072absent
rLocation{"EnableCPIDuringEmergencyMode":true,"EnableEarlyReturnDuringEmergencyMode":false}absent
rPushSettings{"VVMTopic":"com.att.ent.cns.vvm","VoWiFiTopic":"com.att.ent.cns.vowifi"}absent
rShowVolteSwitchfalseabsent
rShowVolteWarningUnsupportedCarrierfalseabsent
rShowWiFiCallingWarningUnsupportedCarrierfalseabsent
rSupportsIMSSignalingIndicationtrueabsent
rSupportsImsCapabilitytrueabsent
rTechSettings
{"FatalActivationErrors":[8192],"ChildSAs":{"FirstChild":{"ChildProposals":[{"EncryptionAlgorithm":["AES-128"],"Lifetime":80000,"IntegrityAlgorithm":["SHA2-256"]}],"InstallPolicies":true,"ReplayWindowSize":12}},"iRatPolicies":{"PreferredTechnology":"cellular","PreferredTechnologyRoaming":"wifi"},"Ex… 
{
  "FatalActivationErrors": [
    8192
  ],
  "ChildSAs": {
    "FirstChild": {
      "ChildProposals": [
        {
          "EncryptionAlgorithm": [
            "AES-128"
          ],
          "Lifetime": 80000,
          "IntegrityAlgorithm": [
            "SHA2-256"
          ]
        }
      ],
      "InstallPolicies": true,
      "ReplayWindowSize": 12
    }
  },
  "iRatPolicies": {
    "PreferredTechnology": "cellular",
    "PreferredTechnologyRoaming": "wifi"
  },
  "ExtraConfigurationAttributeRequestv6": [
    {
      "Identifier": 16386,
      "Name": "AssignedPCSCFIPv6",
      "Type": "IPv6Address"
    }
  ],
  "SupportContextSwitchOver": true,
  "WiFiCallingControlsAlliWLanServices": true,
  "AllowHandOverFromDataModeList": [
    "LTE"
  ],
  "WifiCallingAllowedInRoaming": true,
  "PdnErrorsToBlockHandover": "54",
  "5wiServiceMask": 3,
  "IKE": {
    "Proposals": [
      {
        "EncryptionAlgorithm": "AES-128",
        "IntegrityAlgorithm": "SHA2-256",
        "DHGroup": 14,
        "AuthenticationMethod": "None",
        "Lifetime": 80000,
        "EAPMethod": "EAP-AKA",
        "PRFAlgorithm": "SHA2-256"
      }
    ],
    "DeadPeerDetectionEnabled": false,
    "DeadPeerDetectionMaxRetries": 4,
    "DeadPeerDetectionInterval": 600,
    "LocalIdentifier": "0$imsi@nai.epc.mnc$mnc.mcc$mcc.3gppnetwork.org",
    "NATTKeepAliveOffload": true,
    "ValidateRemoteCertificate": false,
    "RemoteAddress": "epdg.epc.att.net",
    "DeadPeerDetectionRetryInterval": 10
  },
  "AllowRoamingHandover": false,
  "ExtraConfigurationAttributeRequestv4": [
    {
      "Identifier": 16384,
      "Name": "AssignedPCSCFIPv4",
      "Type": "IPv4Address"
    }
  ],
  "SetHandOverIPv6Prefix": true,
  "TechPolicies": [
    {
      "policy": "cellData=false",
      "serviceMask": 1081367
    },
    {
      "policy": "true",
      "serviceMask": 131072
    },
    {
      "policy": "true",
      "serviceMask": 262144
    }
  ],
  "IPSecMTU": 1280,
  "SupportCallHandover": true
}
absent
rapns[0].configuration[0].DefaultProtocolMask3absent
rapns[0].configuration[1].DefaultProtocolMask3absent
rapns[0].configuration[2].DefaultProtocolMask3absent
rapns[0].configuration[3].DefaultProtocolMask3absent
rapns[0].configuration[4].DefaultProtocolMask3absent
iPhone 12, 12 mini, 12 Pro, 12 Pro Max: overrides_D52g_D53g_D53p_D54p.der.pri

Against the older copy named above, the newest earlier one with these phones' files; the compared version's copy has none, so this spans every update since.

Key pathBeforeAfter
cefs./policyman/carrier_policy.xml
<policy changelist="$Change: 14971833 $" name="ATT" policy_ver="125.1.2"> <initial> <mcc_list name="us_mccs">310 311 312 313 314 315 316 330 544</mcc_list> <rat_capability_if base="none"> <include>C H G W L 5G</include> </rat_capability_if> <define_fullrat_config> <rf_bands base="hard… 
<policy changelist="$Change: 14971833 $" name="ATT" policy_ver="125.1.2">
	<initial>
		<mcc_list name="us_mccs">310 311 312 313 314 315 316 330 544</mcc_list>
		<rat_capability_if base="none">
			<include>C H G W L 5G</include>
		</rat_capability_if>
		<define_fullrat_config>
			<rf_bands base="hardware"/>
			<rat_capability base="hardware"/>
		</define_fullrat_config>
		<boolean_define initial="true" name="cm:skip_3gpp2_cap_emerg"/>
	</initial>
	<if>
		<any_of>
			<not>
				<phone_operating_mode>ONLINE</phone_operating_mode>
			</not>
			<not>
				<have_location/>
			</not>
		</any_of>
		<then>
			<stop/>
		</then>
	</if>
	<svc_mode>FULL</svc_mode>
	<rat_capability base="hardware"/>
	<if>
		<location_mcc_in list="us_mccs"/>
		<then>
			<rat_capability base="none">
				<include>W L 5G</include>
			</rat_capability>
		</then>
		<else>
			<rat_capability base="none">
				<include>G W L 5G</include>
			</rat_capability>
		</else>
	</if>
</policy>
<?xml version="1.0" encoding="UTF-8"?> <policy changelist="$Change: 14971833 $" name="ATT" policy_ver="125.1.2"> <initial> <mcc_list name="us_mccs">310 311 312 313 314 315 316 330 544</mcc_list> <rat_capability_if base="none"> <include>C H G W L 5G</include> </rat_capability_if> <define… 
<?xml version="1.0" encoding="UTF-8"?> 
<policy changelist="$Change: 14971833 $" name="ATT" policy_ver="125.1.2">
	<initial>
		<mcc_list name="us_mccs">310 311 312 313 314 315 316 330 544</mcc_list>
		<rat_capability_if base="none">
			<include>C H G W L 5G</include>
		</rat_capability_if>
		<define_fullrat_config>
			<rf_bands base="hardware"/>
			<rat_capability base="hardware"/>
		</define_fullrat_config>
		<boolean_define initial="true" name="cm:skip_3gpp2_cap_emerg"/>
	</initial>
	<if>
		<any_of>
			<not>
				<phone_operating_mode>ONLINE</phone_operating_mode>
			</not>
			<not>
				<have_location/>
			</not>
		</any_of>
		<then>
			<stop/>
		</then>
	</if>
	<svc_mode>FULL</svc_mode>
	<rat_capability base="hardware"/>
	<if>
		<location_mcc_in list="us_mccs"/>
		<then>
			<rat_capability base="none">
				<include>W L 5G</include>
			</rat_capability>
		</then>
		<else>
			<rat_capability base="none">
				<include>G W L 5G</include>
			</rat_capability>
		</else>
	</if>
</policy>
cheader.PRI Revision0.3.1765.0.161
aschema[249]absent/nv/item_files/modem/uim/mmgsdi/invalidate_nitz
aschema[250]absent/nv/item_files/modem/lte/ML1/x2l_irat_2tx_ant
aschema[251]absent/nv/item_files/modem/mav/skip_lte_cap_prune
cunknown.9f83e4350003b0000500a100
iPhone 11, 11 Pro, 11 Pro Max: overrides_D421_D431_N104.plist

Against the older copy named above, the newest earlier one with these phones' files; the compared version's copy has none, so this spans every update since.

Was overrides_D421_D431_N104_D79.plist.

Key pathBeforeAfter
rAttachAPN{"3GPP":{"password":"","PcscfAddressRequired":false,"username":"","apn":"ereseller","AllowedProtocolMask":3}}absent
rDefaultWhenImsSwitchOff0absent
cDerPriFileNameoverrides_D421_D431_N104_D79.der.prioverrides_D421_D431_N104.der.pri
rForceWPSCallsOverCSfalseabsent
rIMSConfig.AllowHandoverWithoutIMSVoiceServicetrueabsent
rIMSConfig.CallTransfer{"CallTransferOnlyIfIMSRegistered":true,"CallTransferRequestUri":"pull-VoLTE-active@one.att.net","CallTransferDialNumber":"######","CallTransferToUri":"pull-SP-active@one.att.net"}absent
rIMSConfig.ConferenceCalling{"TreatAllNotificationsAsPartial":true,"conferenceServer":"sip:n-way_voice@one.att.net"}absent
rIMSConfig.LocalShortCodeNumbers["211","311","411","511","611","711","811"]absent
rIMSConfig.Media
{"RTCPIntervalSeconds":5,"InactivityTimerRTPSeconds":20,"HoldHeartbeatIntervalSeconds":5,"RTTBandwidthSpecifierRTCPPercentage":10,"EnableBandwidthSpecifiers":true,"EnableRemoteRTCPDeactivation":true,"InactivityTimerRTCPSeconds":20,"AllowIPv6UnicastAddress":true,"TTYRelayNumber":"711","StopLocalRingb… 
{
  "RTCPIntervalSeconds": 5,
  "InactivityTimerRTPSeconds": 20,
  "HoldHeartbeatIntervalSeconds": 5,
  "RTTBandwidthSpecifierRTCPPercentage": 10,
  "EnableBandwidthSpecifiers": true,
  "EnableRemoteRTCPDeactivation": true,
  "InactivityTimerRTCPSeconds": 20,
  "AllowIPv6UnicastAddress": true,
  "TTYRelayNumber": "711",
  "StopLocalRingbackToneOn181": false,
  "UseRestrictiveDirectionWhenCreatingAnswer": false,
  "RTTBandwidthSpecifierASValue": 4,
  "DTMFInterDigitIntervalMilliseconds": 540,
  "EnableIncomingDTMF": true,
  "IncludeSDPMaxRed": true
}
absent
rIMSConfig.SIM{"USIMFallbackSupport":false}absent
rIMSConfig.SMS.SMSBundleToVoicefalseabsent
rIMSConfig.SMS.allowCSFBInVolteModefalseabsent
rIMSConfig.SMS.enableInNonVoLTEModefalseabsent
rIMSConfig.Signaling
{"PrivacyHeaderValue":"header","ForcedFeatureTags":"voice,sms","MaxFatalRegistrationErrors":1,"MaxReRegistrationAttempts":0,"LocalQoSTimeoutMTSeconds":6,"AdditionalHeaders":{"INVITE[wifi,911]":["P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}","Supported: geolocation"]},"EarlyMediaNee… 
{
  "PrivacyHeaderValue": "header",
  "ForcedFeatureTags": "voice,sms",
  "MaxFatalRegistrationErrors": 1,
  "MaxReRegistrationAttempts": 0,
  "LocalQoSTimeoutMTSeconds": 6,
  "AdditionalHeaders": {
    "INVITE[wifi,911]": [
      "P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}",
      "Supported: geolocation"
    ]
  },
  "EarlyMediaNeedsHeader": true,
  "InviteErrorResponsesToTriggerCSFB": "",
  "strictCallFlows": true,
  "SendEmergencyLocationUpdates": true,
  "TriggerCSFBOnLocalQoSTimeoutMO": false,
  "StartLocalQosTimerOnSessionProgress": true,
  "UseBase64ForMultipartSMS": false,
  "AddLocationToEmergencySMS": true,
  "SipTimers": {
    "D": 32000,
    "InviteResponseTimeout": 0,
    "AckRetransmitTimer": 32000,
    "AckReceiveTimeout": 32000,
    "J": 32000,
    "F": 32000,
    "B": 32000,
    "H": 32000
  },
  "LocalQoSTimeoutMOSeconds": 10,
  "RegisterOnServiceUpdate": false,
  "RegistrationPolicy": "ATT",
  "RingingTimerSeconds": 45,
  "CSFBOnAccessBarred": true,
  "AdditionalContactParams": {
    "INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting"
  },
  "NetworkTerminationRetryIntervalSeconds": 1,
  "KillRegistrationOnHandoverTimeout": false,
  "TriggerCSFBOnLocalQoSTimeoutMT": false,
  "OutgoingDomain": "1",
  "EmergencyCallBackModeExpirationSeconds": 20,
  "Preconditions": "Supported",
  "EmergencyLocationLookupTimeout": 6,
  "WaitForRingingTimerMOSeconds": 0,
  "PIDFConfidence": 90,
  "UseCIDUrlInPIDF": true,
  "AccessNetworkRefreshDelayMilliseconds": 30000,
  "AlwaysAddGeolocationForEmergencyCalls": true,
  "PIDFGeoPrivShape": "ellipsoid",
  "AccessNetworkRefreshMethod": "INVITE",
  "IgnoreOverridesForWPSCalls": true,
  "UseTupleInPIDF": true,
  "WaitForRingingTimerMTSeconds": 8,
  "Allow3DPIDFInMessages": true,
  "IgnoreFromHeaderForSenderName": false,
  "ClearRegistrationCallIdOnDeinitialization": true,
  "UseT3402ForPdpBackoff": true,
  "AlwaysSendSessionProgress": true,
  "PerCallQoSIndications": false,
  "AddLocationInInviteResponses": "180,183",
  "IPSecSegmentOffset": 210,
  "ReRegisterOnInternalRequestTimeout": true,
  "WifiAccessInfo": "000000000000",
  "RequirePreconditionsWhenMandatory": false,
  "SupportPEarlyMediaHeader": true,
  "UseIPSec": true,
  "RegistrationRetryIntervals": "0",
  "AccessBarringType": "ACB",
  "UseFakeSAsForDeregistration": true,
  "ussdEnabled": true,
  "IncomingCallEndReasons": {
    "NotFound": {
      "StatusCode": 404,
      "TerminationEvent": "RemoteHangup"
    },
    "TemporarilyUnavailable": {
      "StatusCode": 480,
      "TerminationEvent": "RemoteHangup"
    }
  },
  "ReRegisterOnErrorCodes": "REGISTER:480,500,503,504;INVITE:60,403,504",
  "LocationForShortCodeCalls": "CIVIC",
  "CountryOfOriginationFormat": "BOTH",
  "EmergencyPreferredIdentity": "IMEI",
  "RingbackTimerSeconds": 180,
  "AllowResponsesOverDifferentTransport": false,
  "WaitForRingingTimerWPSSeconds": 8,
  "SendPreferredServiceInInvite": true
}
absent
rIMSConfig.Voice{"ttyIMSSupported":true,"EnableVolteByDefault":true,"E911OverITechSupported":false,"E911OverCSIfNoIMSReg":true,"endNonEmergencyCalls":true,"CheckIMSPrefForEmergency":false,"CellularE911SearchTimeout":5,"tLte911Timer":0,"EnableHoldForRTT":true}absent
rIMSConfig.XCAP
{"IgnoreSimFileCFIS":true,"SupportsCLIR":false,"DisableOnNetworkError":false,"UnsolicitedRequestDelay":0,"ForbiddenHttpErrorCodes":"","ContentType":"application/xcap-el+xml","ImpuRank":"tel:MDN,tel:other,MDN@domain,MDN@other,IMSI@domain,IMSI@3gpp,IMSI@other,sip:other@domain,sip:other","supported":tr… 
{
  "IgnoreSimFileCFIS": true,
  "SupportsCLIR": false,
  "DisableOnNetworkError": false,
  "UnsolicitedRequestDelay": 0,
  "ForbiddenHttpErrorCodes": "",
  "ContentType": "application/xcap-el+xml",
  "ImpuRank": "tel:MDN,tel:other,MDN@domain,MDN@other,IMSI@domain,IMSI@3gpp,IMSI@other,sip:other@domain,sip:other",
  "supported": true
}
absent
rIgnoresDeactivateOnNetworkScanServiceMask131072absent
rLocation{"EnableCPIDuringEmergencyMode":true,"EnableEarlyReturnDuringEmergencyMode":false}absent
rPushSettings{"VVMTopic":"com.att.ent.cns.vvm","VoWiFiTopic":"com.att.ent.cns.vowifi"}absent
rShowVolteSwitchfalseabsent
rShowVolteWarningUnsupportedCarrierfalseabsent
rShowWiFiCallingWarningUnsupportedCarrierfalseabsent
rSupportsIMSSignalingIndicationtrueabsent
rSupportsImsCapabilitytrueabsent
rTechSettings
{"FatalActivationErrors":[8192],"ChildSAs":{"FirstChild":{"ChildProposals":[{"EncryptionAlgorithm":["AES-128"],"Lifetime":80000,"IntegrityAlgorithm":["SHA2-256"]}],"InstallPolicies":true,"ReplayWindowSize":12}},"iRatPolicies":{"PreferredTechnology":"cellular","PreferredTechnologyRoaming":"wifi"},"Ex… 
{
  "FatalActivationErrors": [
    8192
  ],
  "ChildSAs": {
    "FirstChild": {
      "ChildProposals": [
        {
          "EncryptionAlgorithm": [
            "AES-128"
          ],
          "Lifetime": 80000,
          "IntegrityAlgorithm": [
            "SHA2-256"
          ]
        }
      ],
      "InstallPolicies": true,
      "ReplayWindowSize": 12
    }
  },
  "iRatPolicies": {
    "PreferredTechnology": "cellular",
    "PreferredTechnologyRoaming": "wifi"
  },
  "ExtraConfigurationAttributeRequestv6": [
    {
      "Identifier": 16386,
      "Name": "AssignedPCSCFIPv6",
      "Type": "IPv6Address"
    }
  ],
  "SupportContextSwitchOver": true,
  "WiFiCallingControlsAlliWLanServices": true,
  "AllowHandOverFromDataModeList": [
    "LTE"
  ],
  "WifiCallingAllowedInRoaming": true,
  "PdnErrorsToBlockHandover": "54",
  "5wiServiceMask": 3,
  "IKE": {
    "Proposals": [
      {
        "EncryptionAlgorithm": "AES-128",
        "IntegrityAlgorithm": "SHA2-256",
        "DHGroup": 14,
        "AuthenticationMethod": "None",
        "Lifetime": 80000,
        "EAPMethod": "EAP-AKA",
        "PRFAlgorithm": "SHA2-256"
      }
    ],
    "DeadPeerDetectionEnabled": false,
    "DeadPeerDetectionMaxRetries": 4,
    "DeadPeerDetectionInterval": 600,
    "LocalIdentifier": "0$imsi@nai.epc.mnc$mnc.mcc$mcc.3gppnetwork.org",
    "NATTKeepAliveOffload": true,
    "ValidateRemoteCertificate": false,
    "RemoteAddress": "epdg.epc.att.net",
    "DeadPeerDetectionRetryInterval": 10
  },
  "AllowRoamingHandover": false,
  "ExtraConfigurationAttributeRequestv4": [
    {
      "Identifier": 16384,
      "Name": "AssignedPCSCFIPv4",
      "Type": "IPv4Address"
    }
  ],
  "SetHandOverIPv6Prefix": true,
  "TechPolicies": [
    {
      "policy": "cellData=false",
      "serviceMask": 1081367
    },
    {
      "policy": "true",
      "serviceMask": 131072
    },
    {
      "policy": "true",
      "serviceMask": 262144
    }
  ],
  "IPSecMTU": 1280,
  "SupportCallHandover": true
}
absent
rapns[0].configuration[0].DefaultProtocolMask3absent
rapns[0].configuration[1].DefaultProtocolMask3absent
rapns[0].configuration[2].DefaultProtocolMask3absent
rapns[0].configuration[3].DefaultProtocolMask3absent
rapns[0].configuration[4].DefaultProtocolMask3absent
iPhone SE (2nd generation): overrides_D79.plist

Against the older copy named above, the newest earlier one with these phones' files; the compared version's copy has none, so this spans every update since.

Was overrides_D421_D431_N104_D79.plist.

Key pathBeforeAfter
rAttachAPN{"3GPP":{"password":"","PcscfAddressRequired":false,"username":"","apn":"ereseller","AllowedProtocolMask":3}}absent
aCarrierEntitlementsabsent{"SupportedEntitlements":4198025,"SupportPhysicalSIMtoESIMTransfer":false,"EntitlementRequestViaWebService":false,"SupportsOnDevicePhysicalSIMConvert":false}
rDefaultWhenImsSwitchOff0absent
cDerPriFileNameoverrides_D421_D431_N104_D79.der.prioverrides_D79.der.pri
rForceWPSCallsOverCSfalseabsent
rIMSConfig.AllowHandoverWithoutIMSVoiceServicetrueabsent
rIMSConfig.CallTransfer{"CallTransferOnlyIfIMSRegistered":true,"CallTransferRequestUri":"pull-VoLTE-active@one.att.net","CallTransferDialNumber":"######","CallTransferToUri":"pull-SP-active@one.att.net"}absent
rIMSConfig.ConferenceCalling{"TreatAllNotificationsAsPartial":true,"conferenceServer":"sip:n-way_voice@one.att.net"}absent
rIMSConfig.LocalShortCodeNumbers["211","311","411","511","611","711","811"]absent
rIMSConfig.Media
{"RTCPIntervalSeconds":5,"InactivityTimerRTPSeconds":20,"HoldHeartbeatIntervalSeconds":5,"RTTBandwidthSpecifierRTCPPercentage":10,"EnableBandwidthSpecifiers":true,"EnableRemoteRTCPDeactivation":true,"InactivityTimerRTCPSeconds":20,"AllowIPv6UnicastAddress":true,"TTYRelayNumber":"711","StopLocalRingb… 
{
  "RTCPIntervalSeconds": 5,
  "InactivityTimerRTPSeconds": 20,
  "HoldHeartbeatIntervalSeconds": 5,
  "RTTBandwidthSpecifierRTCPPercentage": 10,
  "EnableBandwidthSpecifiers": true,
  "EnableRemoteRTCPDeactivation": true,
  "InactivityTimerRTCPSeconds": 20,
  "AllowIPv6UnicastAddress": true,
  "TTYRelayNumber": "711",
  "StopLocalRingbackToneOn181": false,
  "UseRestrictiveDirectionWhenCreatingAnswer": false,
  "RTTBandwidthSpecifierASValue": 4,
  "DTMFInterDigitIntervalMilliseconds": 540,
  "EnableIncomingDTMF": true,
  "IncludeSDPMaxRed": true
}
absent
rIMSConfig.SIM{"USIMFallbackSupport":false}absent
rIMSConfig.SMS.SMSBundleToVoicefalseabsent
rIMSConfig.SMS.allowCSFBInVolteModefalseabsent
rIMSConfig.SMS.enableInNonVoLTEModefalseabsent
rIMSConfig.Signaling
{"PrivacyHeaderValue":"header","ForcedFeatureTags":"voice,sms","MaxFatalRegistrationErrors":1,"MaxReRegistrationAttempts":0,"LocalQoSTimeoutMTSeconds":6,"AdditionalHeaders":{"INVITE[wifi,911]":["P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}","Supported: geolocation"]},"EarlyMediaNee… 
{
  "PrivacyHeaderValue": "header",
  "ForcedFeatureTags": "voice,sms",
  "MaxFatalRegistrationErrors": 1,
  "MaxReRegistrationAttempts": 0,
  "LocalQoSTimeoutMTSeconds": 6,
  "AdditionalHeaders": {
    "INVITE[wifi,911]": [
      "P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}",
      "Supported: geolocation"
    ]
  },
  "EarlyMediaNeedsHeader": true,
  "InviteErrorResponsesToTriggerCSFB": "",
  "strictCallFlows": true,
  "SendEmergencyLocationUpdates": true,
  "TriggerCSFBOnLocalQoSTimeoutMO": false,
  "StartLocalQosTimerOnSessionProgress": true,
  "UseBase64ForMultipartSMS": false,
  "AddLocationToEmergencySMS": true,
  "SipTimers": {
    "D": 32000,
    "InviteResponseTimeout": 0,
    "AckRetransmitTimer": 32000,
    "AckReceiveTimeout": 32000,
    "J": 32000,
    "F": 32000,
    "B": 32000,
    "H": 32000
  },
  "LocalQoSTimeoutMOSeconds": 10,
  "RegisterOnServiceUpdate": false,
  "RegistrationPolicy": "ATT",
  "RingingTimerSeconds": 45,
  "CSFBOnAccessBarred": true,
  "AdditionalContactParams": {
    "INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting"
  },
  "NetworkTerminationRetryIntervalSeconds": 1,
  "KillRegistrationOnHandoverTimeout": false,
  "TriggerCSFBOnLocalQoSTimeoutMT": false,
  "OutgoingDomain": "1",
  "EmergencyCallBackModeExpirationSeconds": 20,
  "Preconditions": "Supported",
  "EmergencyLocationLookupTimeout": 6,
  "WaitForRingingTimerMOSeconds": 0,
  "PIDFConfidence": 90,
  "UseCIDUrlInPIDF": true,
  "AccessNetworkRefreshDelayMilliseconds": 30000,
  "AlwaysAddGeolocationForEmergencyCalls": true,
  "PIDFGeoPrivShape": "ellipsoid",
  "AccessNetworkRefreshMethod": "INVITE",
  "IgnoreOverridesForWPSCalls": true,
  "UseTupleInPIDF": true,
  "WaitForRingingTimerMTSeconds": 8,
  "Allow3DPIDFInMessages": true,
  "IgnoreFromHeaderForSenderName": false,
  "ClearRegistrationCallIdOnDeinitialization": true,
  "UseT3402ForPdpBackoff": true,
  "AlwaysSendSessionProgress": true,
  "PerCallQoSIndications": false,
  "AddLocationInInviteResponses": "180,183",
  "IPSecSegmentOffset": 210,
  "ReRegisterOnInternalRequestTimeout": true,
  "WifiAccessInfo": "000000000000",
  "RequirePreconditionsWhenMandatory": false,
  "SupportPEarlyMediaHeader": true,
  "UseIPSec": true,
  "RegistrationRetryIntervals": "0",
  "AccessBarringType": "ACB",
  "UseFakeSAsForDeregistration": true,
  "ussdEnabled": true,
  "IncomingCallEndReasons": {
    "NotFound": {
      "StatusCode": 404,
      "TerminationEvent": "RemoteHangup"
    },
    "TemporarilyUnavailable": {
      "StatusCode": 480,
      "TerminationEvent": "RemoteHangup"
    }
  },
  "ReRegisterOnErrorCodes": "REGISTER:480,500,503,504;INVITE:60,403,504",
  "LocationForShortCodeCalls": "CIVIC",
  "CountryOfOriginationFormat": "BOTH",
  "EmergencyPreferredIdentity": "IMEI",
  "RingbackTimerSeconds": 180,
  "AllowResponsesOverDifferentTransport": false,
  "WaitForRingingTimerWPSSeconds": 8,
  "SendPreferredServiceInInvite": true
}
absent
rIMSConfig.Voice{"ttyIMSSupported":true,"EnableVolteByDefault":true,"E911OverITechSupported":false,"E911OverCSIfNoIMSReg":true,"endNonEmergencyCalls":true,"CheckIMSPrefForEmergency":false,"CellularE911SearchTimeout":5,"tLte911Timer":0,"EnableHoldForRTT":true}absent
rIMSConfig.XCAP
{"IgnoreSimFileCFIS":true,"SupportsCLIR":false,"DisableOnNetworkError":false,"UnsolicitedRequestDelay":0,"ForbiddenHttpErrorCodes":"","ContentType":"application/xcap-el+xml","ImpuRank":"tel:MDN,tel:other,MDN@domain,MDN@other,IMSI@domain,IMSI@3gpp,IMSI@other,sip:other@domain,sip:other","supported":tr… 
{
  "IgnoreSimFileCFIS": true,
  "SupportsCLIR": false,
  "DisableOnNetworkError": false,
  "UnsolicitedRequestDelay": 0,
  "ForbiddenHttpErrorCodes": "",
  "ContentType": "application/xcap-el+xml",
  "ImpuRank": "tel:MDN,tel:other,MDN@domain,MDN@other,IMSI@domain,IMSI@3gpp,IMSI@other,sip:other@domain,sip:other",
  "supported": true
}
absent
rIgnoresDeactivateOnNetworkScanServiceMask131072absent
rLocation{"EnableCPIDuringEmergencyMode":true,"EnableEarlyReturnDuringEmergencyMode":false}absent
rPushSettings{"VVMTopic":"com.att.ent.cns.vvm","VoWiFiTopic":"com.att.ent.cns.vowifi"}absent
rShowVolteSwitchfalseabsent
rShowVolteWarningUnsupportedCarrierfalseabsent
rShowWiFiCallingWarningUnsupportedCarrierfalseabsent
rSupportsIMSSignalingIndicationtrueabsent
rSupportsImsCapabilitytrueabsent
rTechSettings
{"FatalActivationErrors":[8192],"ChildSAs":{"FirstChild":{"ChildProposals":[{"EncryptionAlgorithm":["AES-128"],"Lifetime":80000,"IntegrityAlgorithm":["SHA2-256"]}],"InstallPolicies":true,"ReplayWindowSize":12}},"iRatPolicies":{"PreferredTechnology":"cellular","PreferredTechnologyRoaming":"wifi"},"Ex… 
{
  "FatalActivationErrors": [
    8192
  ],
  "ChildSAs": {
    "FirstChild": {
      "ChildProposals": [
        {
          "EncryptionAlgorithm": [
            "AES-128"
          ],
          "Lifetime": 80000,
          "IntegrityAlgorithm": [
            "SHA2-256"
          ]
        }
      ],
      "InstallPolicies": true,
      "ReplayWindowSize": 12
    }
  },
  "iRatPolicies": {
    "PreferredTechnology": "cellular",
    "PreferredTechnologyRoaming": "wifi"
  },
  "ExtraConfigurationAttributeRequestv6": [
    {
      "Identifier": 16386,
      "Name": "AssignedPCSCFIPv6",
      "Type": "IPv6Address"
    }
  ],
  "SupportContextSwitchOver": true,
  "WiFiCallingControlsAlliWLanServices": true,
  "AllowHandOverFromDataModeList": [
    "LTE"
  ],
  "WifiCallingAllowedInRoaming": true,
  "PdnErrorsToBlockHandover": "54",
  "5wiServiceMask": 3,
  "IKE": {
    "Proposals": [
      {
        "EncryptionAlgorithm": "AES-128",
        "IntegrityAlgorithm": "SHA2-256",
        "DHGroup": 14,
        "AuthenticationMethod": "None",
        "Lifetime": 80000,
        "EAPMethod": "EAP-AKA",
        "PRFAlgorithm": "SHA2-256"
      }
    ],
    "DeadPeerDetectionEnabled": false,
    "DeadPeerDetectionMaxRetries": 4,
    "DeadPeerDetectionInterval": 600,
    "LocalIdentifier": "0$imsi@nai.epc.mnc$mnc.mcc$mcc.3gppnetwork.org",
    "NATTKeepAliveOffload": true,
    "ValidateRemoteCertificate": false,
    "RemoteAddress": "epdg.epc.att.net",
    "DeadPeerDetectionRetryInterval": 10
  },
  "AllowRoamingHandover": false,
  "ExtraConfigurationAttributeRequestv4": [
    {
      "Identifier": 16384,
      "Name": "AssignedPCSCFIPv4",
      "Type": "IPv4Address"
    }
  ],
  "SetHandOverIPv6Prefix": true,
  "TechPolicies": [
    {
      "policy": "cellData=false",
      "serviceMask": 1081367
    },
    {
      "policy": "true",
      "serviceMask": 131072
    },
    {
      "policy": "true",
      "serviceMask": 262144
    }
  ],
  "IPSecMTU": 1280,
  "SupportCallHandover": true
}
absent
rapns[0].configuration[0].DefaultProtocolMask3absent
rapns[0].configuration[1].DefaultProtocolMask3absent
rapns[0].configuration[2].DefaultProtocolMask3absent
rapns[0].configuration[3].DefaultProtocolMask3absent
rapns[0].configuration[4].DefaultProtocolMask3absent
Routine changes (44 files): version number only, per-phone file, compared by phone above, signature
FileKindWhy it is routine
Info.plistchangedversion number only
overrides_D23.der.priaddedper-phone file, compared by phone above
overrides_D23.plistaddedper-phone file, compared by phone above
overrides_D421_D431_N104.der.priaddedper-phone file, compared by phone above
overrides_D421_D431_N104.plistaddedper-phone file, compared by phone above
overrides_D49.der.priaddedper-phone file, compared by phone above
overrides_D49.plistaddedper-phone file, compared by phone above
overrides_D52g_D53g_D53p_D54p.der.priaddedper-phone file, compared by phone above
overrides_D52g_D53g_D53p_D54p.plistaddedper-phone file, compared by phone above
overrides_D63_D64_D16_D17.der.priaddedper-phone file, compared by phone above
overrides_D63_D64_D16_D17.plistaddedper-phone file, compared by phone above
overrides_D73_D74_D27_D28.der.priaddedper-phone file, compared by phone above
overrides_D73_D74_D27_D28.plistaddedper-phone file, compared by phone above
overrides_D79.der.priaddedper-phone file, compared by phone above
overrides_D79.plistaddedper-phone file, compared by phone above
overrides_D83_D84_D37_D38.der.priaddedper-phone file, compared by phone above
overrides_D83_D84_D37_D38.plistaddedper-phone file, compared by phone above
overrides_D93_D94_D47_D48.der.prichangedper-phone file, compared by phone above
overrides_D93_D94_D47_D48.plistchangedper-phone file, compared by phone above
overrides_V159.der.priaddedper-phone file, compared by phone above
overrides_V159.plistaddedper-phone file, compared by phone above
overrides_V53_V54_V57.der.priaddedper-phone file, compared by phone above
overrides_V53_V54_V57.plistaddedper-phone file, compared by phone above
overrides_V59.der.priaddedper-phone file, compared by phone above
overrides_V59.plistaddedper-phone file, compared by phone above
overrides_V63_V64s_V68.der.priaddedper-phone file, compared by phone above
overrides_V63_V64s_V68.plistaddedper-phone file, compared by phone above
overrides_V64.der.priaddedper-phone file, compared by phone above
overrides_V64.plistaddedper-phone file, compared by phone above
signatures/common.plistchangedsignature
signatures/overrides_D23.plistaddedsignature
signatures/overrides_D421_D431_N104.plistaddedsignature
signatures/overrides_D49.plistaddedsignature
signatures/overrides_D52g_D53g_D53p_D54p.plistaddedsignature
signatures/overrides_D63_D64_D16_D17.plistaddedsignature
signatures/overrides_D73_D74_D27_D28.plistaddedsignature
signatures/overrides_D79.plistaddedsignature
signatures/overrides_D83_D84_D37_D38.plistaddedsignature
signatures/overrides_D93_D94_D47_D48.plistchangedsignature
signatures/overrides_V159.plistaddedsignature
signatures/overrides_V53_V54_V57.plistaddedsignature
signatures/overrides_V59.plistaddedsignature
signatures/overrides_V63_V64s_V68.plistaddedsignature
signatures/overrides_V64.plistaddedsignature
carrier.plist changed 13 rows Before After only this file
Key pathBeforeAfter
aAttachAPNabsent{"3GPP":{"password":"","PcscfAddressRequired":false,"username":"","apn":"ereseller","AllowedProtocolMask":3}}
aForceWPSCallsOverCSabsentfalse
aIMSConfigabsent
{"Signaling":{"PrivacyHeaderValue":"header","ForcedFeatureTags":"voice,sms","MaxFatalRegistrationErrors":1,"MaxReRegistrationAttempts":0,"LocalQoSTimeoutMTSeconds":6,"AdditionalHeaders":{"INVITE[wifi,911]":["P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}","Supported: geolocation"]},"… 
{
  "Signaling": {
    "PrivacyHeaderValue": "header",
    "ForcedFeatureTags": "voice,sms",
    "MaxFatalRegistrationErrors": 1,
    "MaxReRegistrationAttempts": 0,
    "LocalQoSTimeoutMTSeconds": 6,
    "AdditionalHeaders": {
      "INVITE[wifi,911]": [
        "P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}",
        "Supported: geolocation"
      ]
    },
    "EarlyMediaNeedsHeader": true,
    "InviteErrorResponsesToTriggerCSFB": "",
    "strictCallFlows": true,
    "SendEmergencyLocationUpdates": true,
    "TriggerCSFBOnLocalQoSTimeoutMO": false,
    "StartLocalQosTimerOnSessionProgress": true,
    "UseBase64ForMultipartSMS": false,
    "VerstatFeatureCapability": "Enabled",
    "AddLocationToEmergencySMS": true,
    "SipTimers": {
      "D": 32000,
      "InviteResponseTimeout": 0,
      "AckRetransmitTimer": 32000,
      "AckReceiveTimeout": 32000,
      "J": 32000,
      "F": 32000,
      "B": 32000,
      "H": 32000
    },
    "LocalQoSTimeoutMOSeconds": 10,
    "RegisterOnServiceUpdate": false,
    "RegistrationPolicy": "ATT",
    "RingingTimerSeconds": 45,
    "CSFBOnAccessBarred": true,
    "AdditionalContactParams": {
      "INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting"
    },
    "NetworkTerminationRetryIntervalSeconds": 1,
    "KillRegistrationOnHandoverTimeout": false,
    "TriggerCSFBOnLocalQoSTimeoutMT": false,
    "OutgoingDomain": "1",
    "EmergencyCallBackModeExpirationSeconds": 20,
    "Preconditions": "Supported",
    "EmergencyLocationLookupTimeout": 6,
    "WaitForRingingTimerMOSeconds": 0,
    "PIDFConfidence": 90,
    "UseCIDUrlInPIDF": true,
    "AccessNetworkRefreshDelayMilliseconds": 30000,
    "AlwaysAddGeolocationForEmergencyCalls": true,
    "PIDFGeoPrivShape": "ellipsoid",
    "AccessNetworkRefreshMethod": "INVITE",
    "IgnoreOverridesForWPSCalls": true,
    "UseTupleInPIDF": true,
    "WaitForRingingTimerMTSeconds": 8,
    "Allow3DPIDFInMessages": true,
    "IgnoreFromHeaderForSenderName": false,
    "ClearRegistrationCallIdOnDeinitialization": true,
    "UseT3402ForPdpBackoff": false,
    "AlwaysSendSessionProgress": true,
    "PerCallQoSIndications": false,
    "AddLocationInInviteResponses": "180,183",
    "IPSecSegmentOffset": 210,
    "ReRegisterOnInternalRequestTimeout": true,
    "WifiAccessInfo": "000000000000",
    "RequirePreconditionsWhenMandatory": false,
    "SupportPEarlyMediaHeader": true,
    "UseIPSec": true,
    "RegistrationRetryIntervals": "0",
    "AccessBarringType": "ACB",
    "UseFakeSAsForDeregistration": true,
    "ussdEnabled": true,
    "IncomingCallEndReasons": {
      "NotFound": {
        "StatusCode": 404,
        "TerminationEvent": "RemoteHangup"
      },
      "TemporarilyUnavailable": {
        "StatusCode": 480,
        "TerminationEvent": "RemoteHangup"
      }
    },
    "ReRegisterOnErrorCodes": "REGISTER:480,500,503,504;INVITE:60,403,504",
    "LocationForShortCodeCalls": "CIVIC",
    "CountryOfOriginationFormat": "BOTH",
    "EmergencyPreferredIdentity": "IMEI",
    "RingbackTimerSeconds": 180,
    "AllowResponsesOverDifferentTransport": false,
    "WaitForRingingTimerWPSSeconds": 8,
    "SendPreferredServiceInInvite": true
  },
  "LocalShortCodeNumbers": [
    "211",
    "311",
    "411",
    "511",
    "611",
    "711",
    "811",
    "988"
  ],
  "CallTransfer": {
    "CallTransferOnlyIfIMSRegistered": true,
    "CallTransferRequestUri": "pull-VoLTE-active@one.att.net",
    "CallTransferDialNumber": "######",
    "CallTransferToUri": "pull-SP-active@one.att.net"
  },
  "ConferenceCalling": {
    "TreatAllNotificationsAsPartial": true,
    "conferenceServer": "sip:n-way_voice@one.att.net"
  },
  "AllowHandoverWithoutIMSVoiceService": true,
  "SMS": {
    "enableInNonVoLTEMode": false,
    "SMSBundleToVoice": false,
    "allowCSFBInVolteMode": false
  },
  "XCAP": {
    "IgnoreSimFileCFIS": true,
    "SupportsCLIR": false,
    "DisableOnNetworkError": false,
    "UnsolicitedRequestDelay": 0,
    "ForbiddenHttpErrorCodes": "",
    "ContentType": "application/xcap-el+xml",
    "ImpuRank": "tel:MDN,tel:other,MDN@domain,MDN@other,IMSI@domain,IMSI@3gpp,IMSI@other,sip:other@domain,sip:other",
    "supported": true
  },
  "Media": {
    "RTCPIntervalSeconds": 5,
    "InactivityTimerRTPSeconds": 20,
    "HoldHeartbeatIntervalSeconds": 5,
    "RTTBandwidthSpecifierRTCPPercentage": 10,
    "EnableBandwidthSpecifiers": true,
    "EnableRemoteRTCPDeactivation": true,
    "InactivityTimerRTCPSeconds": 20,
    "AllowIPv6UnicastAddress": true,
    "TTYRelayNumber": "711",
    "StopLocalRingbackToneOn181": false,
    "UseRestrictiveDirectionWhenCreatingAnswer": false,
    "RTTBandwidthSpecifierASValue": 4,
    "DTMFInterDigitIntervalMilliseconds": 540,
    "EnableIncomingDTMF": true,
    "IncludeSDPMaxRed": true
  },
  "SIM": {
    "USIMFallbackSupport": false
  },
  "Voice": {
    "EnableVolteByDefault": true,
    "E911OverITechSupported": false,
    "E911OverCSIfNoIMSReg": true,
    "CheckIMSPrefForEmergency": false,
    "CellularE911SearchTimeout": 5,
    "endNonEmergencyCalls": true,
    "tLte911Timer": 0
  }
}
aIgnoresDeactivateOnNetworkScanServiceMaskabsent131072
aLocation.EnableCPIDuringEmergencyModeabsenttrue
aLocation.EnableEarlyReturnDuringEmergencyModeabsentfalse
rShowTTYtrueabsent
aShowVolteWarningUnsupportedCarrierabsentfalse
aShowWiFiCallingWarningUnsupportedCarrierabsentfalse
aSupportsIMSSignalingIndicationabsenttrue
aSupportsImsCapabilityabsenttrue
aTechSettingsabsent
{"FatalActivationErrors":[8192],"ChildSAs":{"FirstChild":{"ChildProposals":[{"EncryptionAlgorithm":["AES-128"],"Lifetime":80000,"IntegrityAlgorithm":["SHA2-256"]}],"InstallPolicies":true,"ReplayWindowSize":12}},"iRatPolicies":{"PreferredTechnology":"cellular","PreferredTechnologyRoaming":"wifi"},"Ex… 
{
  "FatalActivationErrors": [
    8192
  ],
  "ChildSAs": {
    "FirstChild": {
      "ChildProposals": [
        {
          "EncryptionAlgorithm": [
            "AES-128"
          ],
          "Lifetime": 80000,
          "IntegrityAlgorithm": [
            "SHA2-256"
          ]
        }
      ],
      "InstallPolicies": true,
      "ReplayWindowSize": 12
    }
  },
  "iRatPolicies": {
    "PreferredTechnology": "cellular",
    "PreferredTechnologyRoaming": "wifi"
  },
  "ExtraConfigurationAttributeRequestv6": [
    {
      "Identifier": 16386,
      "Name": "AssignedPCSCFIPv6",
      "Type": "IPv6Address"
    }
  ],
  "SupportContextSwitchOver": true,
  "WiFiCallingControlsAlliWLanServices": true,
  "AllowHandOverFromDataModeList": [
    "LTE"
  ],
  "WifiCallingAllowedInRoaming": true,
  "PdnErrorsToBlockHandover": "54",
  "5wiServiceMask": 3,
  "IKE": {
    "Proposals": [
      {
        "EncryptionAlgorithm": "AES-128",
        "IntegrityAlgorithm": "SHA2-256",
        "DHGroup": 14,
        "AuthenticationMethod": "None",
        "Lifetime": 80000,
        "EAPMethod": "EAP-AKA",
        "PRFAlgorithm": "SHA2-256"
      }
    ],
    "DeadPeerDetectionEnabled": false,
    "DeadPeerDetectionMaxRetries": 4,
    "DeadPeerDetectionInterval": 600,
    "LocalIdentifier": "0$imsi@nai.epc.mnc$mnc.mcc$mcc.3gppnetwork.org",
    "NATTKeepAliveOffload": true,
    "ValidateRemoteCertificate": false,
    "RemoteAddress": "epdg.epc.att.net",
    "DeadPeerDetectionRetryInterval": 10
  },
  "AllowRoamingHandover": false,
  "ExtraConfigurationAttributeRequestv4": [
    {
      "Identifier": 16384,
      "Name": "AssignedPCSCFIPv4",
      "Type": "IPv4Address"
    }
  ],
  "SetHandOverIPv6Prefix": true,
  "TechPolicies": [
    {
      "policy": "cellData=false",
      "serviceMask": 1081367
    },
    {
      "policy": "true",
      "serviceMask": 131072
    },
    {
      "policy": "true",
      "serviceMask": 262144
    }
  ],
  "IPSecMTU": 1280,
  "SupportCallHandover": true
}
aVoiceTextMediaabsent{"EnableHoldForRTT":true}
789 carriers, 225 countries · iOS 27.0.1 (24A446) · beta iOS 27.2 beta 2 (24B5089g) GitHub Ready