Default what changed — iOS 27.0.1

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iPhone Apple Watch

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carrier.plist Whole bundle

carrier.plist changed 7 rows Before After

Key path	Before	After
aEnable4GByDefault	absent	true
aIMSConfig	absent	{"SMS":{"DCN":{"destinationNumber":"","hysteresisTimeout":0},"enableInNonVoLTEMode":true,"SupportedDomains":{"LTE":true}},"Voice":{"EnableVolteByDefault":false},"Signaling":{"Preconditions":"SupportedOptional"}}
aShow4GSwitch	absent	true
aShowLTEWarningUnsupportedCarrier	absent	false
aShowVolteSwitch	absent	true
aShowVolteWarningUnsupportedCarrier	absent	true
cTS25Version	66.0	69.0

Key path

Before

After

aEnable4GByDefault

absent

true

aIMSConfig

absent

{"SMS":{"DCN":{"destinationNumber":"","hysteresisTimeout":0},"enableInNonVoLTEMode":true,"SupportedDomains":{"LTE":true}},"Voice":{"EnableVolteByDefault":false},"Signaling":{"Preconditions":"SupportedOptional"}}

aShow4GSwitch

absent

true

aShowLTEWarningUnsupportedCarrier

absent

false

aShowVolteSwitch

absent

true

aShowVolteWarningUnsupportedCarrier

absent

true

cTS25Version

66.0

69.0

789 carriers, 225 countries · iOS 27.0.1 (24A446) · beta iOS 27.2 beta 2 (24B5089g) GitHub Ready