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overrides_V53_V54_V57.der.pri Modem package.

Header
DialectQualcomm
PRI Revision5.2.162
Settings (67)

efs:/data/3gpp (1)

3GPP data dynamic config =
Per-PLMN data rules, domestic/international roaming PLMN listsefs:/data/3gpp/data_3gpp_dynamic_config.xml

efs:/data/3gpp/throttling (1)

srv_req_throt_config.txtunverified = "FAILURE_TIMER_5:20; "
Data services setting: Data services (PDN, throttling, AT commands)efs:/data/3gpp/throttling/srv_req_throt_config.txt

efs:/nv/item_files/data/3gpp (3)

3GPP MTU = 1430
Default PDN MTU in bytesefs:/nv/item_files/data/3gpp/ds_3gpp_mtu
RPM params =
Radio Policy Manager retry limits (10 bytes)efs:/nv/item_files/data/3gpp/rpm_params
RPM SIM list =
SIMs Radio Policy Manager applies toefs:/nv/item_files/data/3gpp/rpm_suppported_sim

efs:/nv/item_files/mav (1)

is_bootstrap_profileunverified = 1
Apple modem option: Apple-only (Maverick) modem option; undocumentedefs:/nv/item_files/mav/is_bootstrap_profile

efs:/nv/item_files/modem (1)

LTE connection controlunverified = 1
efs:/nv/item_files/modem/lte_connection_control

efs:/nv/item_files/modem/data/3gpp (1)

Call before PS attach = 0= Off
Allow data-call origination before PS attachefs:/nv/item_files/modem/data/3gpp/call_orig_allowed_before_ps_attach

efs:/nv/item_files/modem/data/3gpp/ps (2)

Service request throttle behaviour = 1
Service-request throttling behaviourefs:/nv/item_files/modem/data/3gpp/ps/ser_req_throttle_behavior
3gpp_rel_version = 5
3GPP release: Signalled 3GPP releaseefs:/nv/item_files/modem/data/3gpp/ps/3gpp_rel_version

efs:/nv/item_files/modem/data/3gpp/ps/apn_reject (1)

APN reject name = "reject_apn:ims; "
APN whose rejection triggers carrier throttlingefs:/nv/item_files/modem/data/3gpp/ps/apn_reject/apn_reject_name.txt

efs:/nv/item_files/modem/lte/L2/mac (1)

lte_mac_enable_aasunverified = 0
LTE setting: LTE RRC / L1 / L2efs:/nv/item_files/modem/lte/L2/mac/lte_mac_enable_aas

efs:/nv/item_files/modem/lte/rrc/bbq (1)

Fake eNodeB mitigation = 1= On
LTE false-base-station (fake eNodeB) mitigationefs:/nv/item_files/modem/lte/rrc/bbq/bbq_mitigation

efs:/nv/item_files/modem/lte/rrc/cap (4)

whitelist_ca_combos =
CA combo list: LTE CA / EN-DC band-combination allow/deny listefs:/nv/item_files/modem/lte/rrc/cap/whitelist_ca_combos
blacklist_ca_combos =
CA combo list: LTE CA / EN-DC band-combination allow/deny listefs:/nv/item_files/modem/lte/rrc/cap/blacklist_ca_combos
whitelist_ca_combos_with_laa =
CA combo list: LTE CA / EN-DC band-combination allow/deny listefs:/nv/item_files/modem/lte/rrc/cap/whitelist_ca_combos_with_laa
LTE bands with UL CA = B2 B5 B12 B14 B30 B48 B66
LTE bands allowed in uplink carrier-aggregation combosefs:/nv/item_files/modem/lte/rrc/cap/whitelist_ca_combos_with_ulca

efs:/nv/item_files/modem/lte/rrc/efs (10)

lte_conn_ctrl_barring_optimz_paramsunverified = 1
LTE setting: LTE RRC / L1 / L2efs:/nv/item_files/modem/lte/rrc/efs/lte_conn_ctrl_barring_optimz_params
disable_4l_per_bandunverified =
LTE setting: LTE RRC / L1 / L2efs:/nv/item_files/modem/lte/rrc/efs/disable_4l_per_band
LTE band priority list =
Prioritised band list for LFS/FFS scans (uint16 array)efs:/nv/item_files/modem/lte/rrc/efs/band_priority_list_v2
LTE feature enable =
LTE RRC capability feature-enable bitmap; bit list unpublishedefs:/nv/item_files/modem/lte/rrc/efs/lte_feature_enable
lte_rrc_sub_feature_enableunverified = "@"
LTE setting: LTE RRC / L1 / L2efs:/nv/item_files/modem/lte/rrc/efs/lte_rrc_sub_feature_enable
lte_connection_ctrl_paramsunverified =
LTE setting: LTE RRC / L1 / L2efs:/nv/item_files/modem/lte/rrc/efs/lte_connection_ctrl_params
LTE feature disable =
LTE RRC capability feature-disable bitmapefs:/nv/item_files/modem/lte/rrc/efs/lte_feature_disable
lte_fgi_r8 = 15644715500x5d3ff0fe
LTE Feature Group Indicators: 3GPP TS 36.331 Annex B featureGroupIndicators sent in UE-EUTRA-Capabilityefs:/nv/item_files/modem/lte/rrc/efs/lte_fgi_r8
lte_fgi_r10 = 14142
LTE Feature Group Indicators: 3GPP TS 36.331 Annex B featureGroupIndicators sent in UE-EUTRA-Capabilityefs:/nv/item_files/modem/lte/rrc/efs/lte_fgi_r10
lte_fgi_r10_tdd = 14142
LTE Feature Group Indicators: 3GPP TS 36.331 Annex B featureGroupIndicators sent in UE-EUTRA-Capabilityefs:/nv/item_files/modem/lte/rrc/efs/lte_fgi_r10_tdd

efs:/nv/item_files/modem/mav (6)

LTE CA combos per PLMN = 1= On
Prune the advertised LTE CA combos per PLMN from /policyman/band_combos_per_plmn.xmlefs:/nv/item_files/modem/mav/lte_ca_xml_generation
EN-DC combos per PLMN = 1= On
Same per-PLMN capability pruning for EN-DC combos (next to cap_prune, skip_cap_prune)efs:/nv/item_files/modem/mav/endc_ca_file_generation
mav_monitor_enable_nr5g_uwb_based_on_motion_state_no_uli_case = 0
5G icon rule: Status-bar 5G / 5G UW / 5G UC / 5G+ icon override logicefs:/nv/item_files/modem/mav/mav_monitor_enable_nr5g_uwb_based_on_motion_state_no_uli_case
mav_avoid_pco_for_agingunverified = 1
Apple modem option: Apple-only (Maverick) modem option; undocumentedefs:/nv/item_files/modem/mav/mav_avoid_pco_for_aging
mav_monitor_mm_mb_replace_nr5g_with_nr5guwb = 1
5G icon rule: Status-bar 5G / 5G UW / 5G UC / 5G+ icon override logicefs:/nv/item_files/modem/mav/mav_monitor_mm_mb_replace_nr5g_with_nr5guwb
mav_ignore_high_bw_checkunverified = 1
Apple modem option: Apple-only (Maverick) modem option; undocumentedefs:/nv/item_files/modem/mav/mav_ignore_high_bw_check

efs:/nv/item_files/modem/mmode (4)

LTE band preference = 1781208836341750xa1fffffeffff
LTE band bitmap (bit n = band n+1)efs:/nv/item_files/modem/mmode/lte_bandpref
LTE disable duration = 0
How long LTE stays disabled when CS services are unavailableefs:/nv/item_files/modem/mmode/lte_disable_duration
SMS only = 1= On
Register for SMS onlyefs:/nv/item_files/modem/mmode/sms_only
UE usage setting = 1= Data centric
TS 24.301 UE usage settingefs:/nv/item_files/modem/mmode/ue_usage_setting

efs:/nv/item_files/modem/nas (5)

HPLMN RAT order = LTE > WCDMA > GSM
Home-PLMN RAT search order: uint16 count, then sys_sys_mode RATsefs:/nv/item_files/modem/nas/hplmn_rat_order
iPLMN =
PLMN list: Packed BCD MCC/MNC list (TS 31.102)efs:/nv/item_files/modem/nas/iPLMN
iplmn_preferred = 1
PLMN list: Packed BCD MCC/MNC list (TS 31.102)efs:/nv/item_files/modem/nas/iplmn_preferred
ISR = 1= On
Idle-mode Signalling Reduction (TS 23.401)efs:/nv/item_files/modem/nas/isr
CSG support = 1
Closed Subscriber Group (femtocell) supportefs:/nv/item_files/modem/nas/csg_support_configuration

efs:/nv/item_files/modem/nr5g/rrc (5)

endc_whitelist_ca_combos =
CA combo list: LTE CA / EN-DC band-combination allow/deny listefs:/nv/item_files/modem/nr5g/rrc/endc_whitelist_ca_combos
endc_whitelist_ca_combos_with_laa =
CA combo list: LTE CA / EN-DC band-combination allow/deny listefs:/nv/item_files/modem/nr5g/rrc/endc_whitelist_ca_combos_with_laa
endc_reduced_cc_lte_fr1_ca_combos = 517
CA combo list: LTE CA / EN-DC band-combination allow/deny listefs:/nv/item_files/modem/nr5g/rrc/endc_reduced_cc_lte_fr1_ca_combos
endc_reduced_cc_fr2_ca_combos = 520
CA combo list: LTE CA / EN-DC band-combination allow/deny listefs:/nv/item_files/modem/nr5g/rrc/endc_reduced_cc_fr2_ca_combos
nrsa_whitelist_ca_combos =
CA combo list: LTE CA / EN-DC band-combination allow/deny listefs:/nv/item_files/modem/nr5g/rrc/nrsa_whitelist_ca_combos

efs:/nv/item_files/modem/nr5g/RRC (5)

cap_add_bw =
NR UE capability: NR RRC UE-capability toggleefs:/nv/item_files/modem/nr5g/RRC/cap_add_bw
cap_csi_rs_32_port_control =
NR UE capability: NR RRC UE-capability toggleefs:/nv/item_files/modem/nr5g/RRC/cap_csi_rs_32_port_control
cap_control_dl_256qam = 257
NR UE capability: NR RRC UE-capability toggleefs:/nv/item_files/modem/nr5g/RRC/cap_control_dl_256qam
cap_control_mrdc_f_plus_t_band_combos = 0
NR band-combo class control: Enables an NR-CA / NR-DC / MR-DC band-combination class in the UE capabilityefs:/nv/item_files/modem/nr5g/RRC/cap_control_mrdc_f_plus_t_band_combos
cap_disable_ul_256qam = 257
NR UE capability: NR RRC UE-capability toggleefs:/nv/item_files/modem/nr5g/RRC/cap_disable_ul_256qam

efs:/nv/item_files/modem/sms (1)

Refresh vote OK = 0= Off
Vote TRUE for SIM REFRESHefs:/nv/item_files/modem/sms/mmgsdi_refresh_vote_ok

efs:/nv/item_files/modem/uim/mmgsdi (4)

override_opl_pnn_lookup_for_non_rplmnunverified = 2
SIM setting: UIM / SIM manager / SIM Toolkitefs:/nv/item_files/modem/uim/mmgsdi/override_opl_pnn_lookup_for_non_rplmn
SIM refresh retry =
SIM REFRESH retry parameters (4 x uint32)efs:/nv/item_files/modem/uim/mmgsdi/refresh_retry
slot_features_status_list__mav_overrideunverified = 266
Apple override: Apple override of the Qualcomm item of the same nameefs:/nv/item_files/modem/uim/mmgsdi/slot_features_status_list__mav_override
ens_slot_enabledunverified = 1
SIM setting: UIM / SIM manager / SIM Toolkitefs:/nv/item_files/modem/uim/mmgsdi/ens_slot_enabled

efs:/nv/item_files/modem/uim/uimdrv (1)

nv_pdown_uim_consecutive_techproblemsunverified = 769
SIM setting: UIM / SIM manager / SIM Toolkitefs:/nv/item_files/modem/uim/uimdrv/nv_pdown_uim_consecutive_techproblems

efs:/nv/item_files/wcdma/rrc (1)

WCDMA to LTE PS handover = 0= Off
WCDMA->LTE PS handover supportefs:/nv/item_files/wcdma/rrc/wcdma_rrc_wtol_ps_ho_support

efs:/policyman (1)

Carrier policy =
PolicyMan rules keyed on MCC/PLMN: RAT capability, RF bands, UE modeefs:/policyman/carrier_policy.xml

nv (4)

PRI revision = 10617349= 5.2.1620xa20205
Packed PRI Revision headernv:62005
ENS Enabled = 1= On
Enhanced Network Selectionnv:3461
Call Manager Feature Group
1 of 25 flags setnv:62012
0123456789101112131415161718192021222324
Feature Group (unnamed, tag 9f83e453)unverified
1 of 25 flags setnv:62035
0123456789101112131415161718192021222324
3: The modem checks it in its geo-MCC attach logic, alongside a home-network check (medium confidence)

pri (3)

Legacy NV item list =
Legacy NV items the modem may take from this file; with a value here: 62012, 3461, 62005, 62035.pri:nv-list
NV path schema index =
357 NV paths the PRI format knows (MAVZ); not overrides.pri:schema
pri:9fa710 = 178
Unidentified field, 1 time, 2 bytes: small binary blob that precedes the NV item list.
Band combos

What the iOS 26.3.1 Qualcomm X80 · Mav25 package advertises on this carrier's networks.

ATT MVNO on 310-150 310-280 310-380 310-410 313-100
PlatformsCombosEN-DCNRLTENR-DCMax CCNR bandsLTE anchors
P1P4P5P6 4592062530265n2 n5 n66 n77
FR2 n258 n260		B2 B5 B12 B14 B29 B30 B66
Modem defaults this file replaces

Files the package ships at the EFS paths this bundle's .der.pri writes.

EFS pathPackage copy
/policyman/carrier_policy.xmlbbcfg.mbn P1P4P5P6 Compare
/data/3gpp/data_3gpp_dynamic_config.xmlbbcfg.mbn P1P4P5P6 Compare