Some U.S. iPhone 18 Pro Max Users Report AT&T Cellular Issues
Some U.S. iPhone 18 Pro Max owners cannot connect to AT&T for calls, texts, or data, while others report eSIM provisioning problems. Apple is testing iOS 27.0.1, which is expected next week and may include a carrier update.
Some U.S. iPhone 18 Pro Max users are reporting AT&T cellular connectivity and eSIM provisioning problems. Complaints have appeared on the MacRumors Forums, Reddit, and the Apple Support Community.
Affected devices cannot connect to AT&T for phone calls, text messages, or mobile data.
Qualcomm modem limited to U.S. model
The U.S. iPhone 18 Pro Max is the only new iPhone released this month with a Qualcomm cellular modem. The iPhone 18 Pro and iPhone Duo use Apple’s C2 modem worldwide, as does the iPhone 18 Pro Max outside the United States.
It remains unclear whether the Qualcomm modem is contributing to the AT&T problems.
iOS update expected next week
Apple is testing iOS 27.0.1, which is expected to launch next week. The update may include a carrier update intended to resolve the AT&T issues, but that has not been confirmed.
What we know
- Some U.S. iPhone 18 Pro Max owners cannot use AT&T cellular service.
- Reported problems affect calls, texts, data, and eSIM provisioning.
- The U.S. iPhone 18 Pro Max uses a Qualcomm cellular modem.
- Apple is testing iOS 27.0.1, expected next week.
What is being verified
- The newsroom is checking the report that some U.S. iPhone 18 Pro Max owners cannot use AT&T cellular service.
- Reporting from MacRumors is being compared; a second independent confirmation is not yet available.
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