Apple will replace iPhone 18 Pro Max units on AT&T that are stuck in SOS mode, as software fixes cannot resolve the issue for affected devices.
01Summary
- 01The problem, reported since September, affects iPhone 18 Pro Max units on AT&T's network, with thousands estimated impacted.
- 02Apple and AT&T issued software updates (iOS 27.0.1 and a carrier-settings patch) to prevent the glitch, but these cannot fix already affected phones.
- 03Affected customers can get a free replacement phone by contacting Apple Support or AT&T, as confirmed by an Apple representative to CNET.
- 04Some Reddit users report that after updates, 5G Standalone and Voice Over 5G Standalone options are disabled, forcing phones onto slower LTE.
- 05The iPhone 18 Pro Max in the US uses Qualcomm's Snapdragon X80 modem, while the standard iPhone 18 Pro uses Apple's C2 modem; T-Mobile and Verizon report no similar issues.
02Why it matters
If you own an iPhone 18 Pro Max on AT&T and have lost cellular service, you may be eligible for a free replacement, but you must contact support directly rather than relying on software updates.
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