carrier-explode iOS carrier and country bundles
iPhone Apple Watch
O2_sk
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Phones (1)

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

PhonesSettingsModem fileCompared with
iPhone 16, 16 Plus, 16 Pro, 16 Pro Max
Qualcomm X75 · Mav24
3 changesno changeiOS 26.5 – 26.6.2 image · build 70.0
iPhone 16, 16 Plus, 16 Pro, 16 Pro Max: overrides_D93_D94_D47_D48.plist
Key pathBeforeAfter
rIMSConfig
{"Signaling":{"strictCallFlows":true,"UseCIDUrlInPIDF":true,"InviteErrorResponsesToTriggerCSFB":"3XX,4XX,5XX,6XX","EnableCellularNetworkInfo":true,"SupportPEarlyMediaHeader":true,"RingbackTimerSeconds":180,"RingingTimerSeconds":180,"SendPreferredServiceInInvite":true,"ussdEnabled":true,"EarlyMediaNe… 
{
  "Signaling": {
    "strictCallFlows": true,
    "UseCIDUrlInPIDF": true,
    "InviteErrorResponsesToTriggerCSFB": "3XX,4XX,5XX,6XX",
    "EnableCellularNetworkInfo": true,
    "SupportPEarlyMediaHeader": true,
    "RingbackTimerSeconds": 180,
    "RingingTimerSeconds": 180,
    "SendPreferredServiceInInvite": true,
    "ussdEnabled": true,
    "EarlyMediaNeedsHeader": true,
    "DefaultAuthAlgorithm": "AKAv1-MD5",
    "CountryOfOriginationFormat": "BOTH",
    "Preconditions": "Supported",
    "AdditionalContactParams": {
      "REGISTER,INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting;+g.3gpp.ps2cs-srvcc-orig-pre-alerting"
    },
    "AlwaysAddSipInstance": true,
    "AlwaysUnsubscribeFromRegEvents": false,
    "AlwaysSendSessionProgress": true,
    "UseIPSec": true,
    "TriggerCSFBOnSDPError": true
  },
  "ConferenceCalling": {
    "SerializeParticipants": true,
    "SendConferenceSubscribeInNewDialog": true,
    "AlwaysSubscribeToConferenceEvents": true,
    "conferenceServer": "sip:mmtel@conf-factory.ims.mnc006.mcc231.3gppnetwork.org"
  },
  "SMS": {
    "enableInNonVoLTEMode": false,
    "allowCSFBInVolteMode": true
  },
  "Media": {
    "InactivityTimerRTPSeconds": 20,
    "PreferredAMRWBMode": 8,
    "AudioCodecs": {
      "109": {
        "br": "5.9-24.4",
        "SampleRate": 16000,
        "EncodingName": "EVS",
        "bw": "nb-wb"
      }
    },
    "IncludeSDPModeChangeCapability": true,
    "EnableBandwidthSpecifiers": true
  },
  "XCAP": {
    "SupportsCW": false,
    "BsfHost": "bsf.ims.mnc006.mcc231.pub.3gppnetwork.org",
    "DisableOnNetworkError": true,
    "SupportsCB": true,
    "ForbiddenHttpErrorCodes": "404,501,502,503,504",
    "SupportsCLIR": true,
    "ContentType": "application/xcap-el+xml",
    "imsRegistrationDependency": true,
    "supported": true,
    "SupportsCFErasure": false,
    "imsFeatureDependency": true
  },
  "EnableWiFiCallingWithoutEntitlement": true,
  "Voice": {
    "endNonEmergencyCalls": true,
    "EnableVolteByDefault": true
  }
}
absent
rShowVolteWarningUnsupportedCarrierfalseabsent
rSupportsImsCapabilitytrueabsent
Routine changes (4 files): version number only, per-phone file, compared by phone above, signature
FileKindWhy it is routine
Info.plistchangedversion number only
overrides_D93_D94_D47_D48.plistchangedper-phone file, compared by phone above
signatures/common.plistchangedsignature
signatures/overrides_D93_D94_D47_D48.plistchangedsignature
carrier.plist changed 29 rows Before After only this file
Key pathBeforeAfter
aIMSConfig.ConferenceCallingabsent{"SerializeParticipants":true,"SendConferenceSubscribeInNewDialog":true,"AlwaysSubscribeToConferenceEvents":true,"conferenceServer":"sip:mmtel@conf-factory.ims.mnc006.mcc231.3gppnetwork.org"}
aIMSConfig.EnableWiFiCallingWithoutEntitlementabsenttrue
aIMSConfig.Mediaabsent{"InactivityTimerRTPSeconds":20,"PreferredAMRWBMode":8,"AudioCodecs":{"109":{"br":"5.9-24.4","SampleRate":16000,"EncodingName":"EVS","bw":"nb-wb"}},"IncludeSDPModeChangeCapability":true,"EnableBandwidthSpecifiers":true}
aIMSConfig.SMSabsent{"enableInNonVoLTEMode":false}
aIMSConfig.Signaling.AdditionalContactParamsabsent{"REGISTER,INVITE,INVITE:*":"+g.3gpp.mid-call;+g.3gpp.srvcc-alerting;+g.3gpp.ps2cs-srvcc-orig-pre-alerting"}
aIMSConfig.Signaling.AlwaysAddSipInstanceabsenttrue
aIMSConfig.Signaling.AlwaysSendSessionProgressabsenttrue
aIMSConfig.Signaling.AlwaysUnsubscribeFromRegEventsabsentfalse
aIMSConfig.Signaling.CountryOfOriginationFormatabsentBOTH
aIMSConfig.Signaling.DefaultAuthAlgorithmabsentAKAv1-MD5
aIMSConfig.Signaling.EarlyMediaNeedsHeaderabsenttrue
aIMSConfig.Signaling.EnableCellularNetworkInfoabsenttrue
aIMSConfig.Signaling.InviteErrorResponsesToTriggerCSFBabsent3XX,4XX,5XX,6XX
aIMSConfig.Signaling.PreconditionsabsentSupported
aIMSConfig.Signaling.RingbackTimerSecondsabsent180
aIMSConfig.Signaling.RingingTimerSecondsabsent180
aIMSConfig.Signaling.SendPreferredServiceInInviteabsenttrue
aIMSConfig.Signaling.SupportPEarlyMediaHeaderabsenttrue
aIMSConfig.Signaling.TriggerCSFBOnSDPErrorabsenttrue
aIMSConfig.Signaling.UseCIDUrlInPIDFabsenttrue
aIMSConfig.Signaling.UseIPSecabsenttrue
aIMSConfig.Signaling.strictCallFlowsabsenttrue
aIMSConfig.Signaling.ussdEnabledabsenttrue
aIMSConfig.Voice.EnableVolteByDefaultabsenttrue
aIMSConfig.Voice.endNonEmergencyCallsabsenttrue
aIMSConfig.XCAPabsent
{"SupportsCW":false,"BsfHost":"bsf.ims.mnc006.mcc231.pub.3gppnetwork.org","DisableOnNetworkError":true,"SupportsCB":true,"ForbiddenHttpErrorCodes":"404,501,502,503,504","SupportsCLIR":true,"ContentType":"application/xcap-el+xml","imsRegistrationDependency":true,"supported":true,"SupportsCFErasure":f… 
{
  "SupportsCW": false,
  "BsfHost": "bsf.ims.mnc006.mcc231.pub.3gppnetwork.org",
  "DisableOnNetworkError": true,
  "SupportsCB": true,
  "ForbiddenHttpErrorCodes": "404,501,502,503,504",
  "SupportsCLIR": true,
  "ContentType": "application/xcap-el+xml",
  "imsRegistrationDependency": true,
  "supported": true,
  "SupportsCFErasure": false,
  "imsFeatureDependency": true
}
rSMSSettings{"TransportFallback":true}absent
rShowTTYfalseabsent
aShowVolteWarningUnsupportedCarrierabsentfalse
789 carriers, 225 countries · iOS 27.0.1 (24A446) · beta iOS 27.2 beta 2 (24B5089g) GitHub Ready