Apple · AT&T · iOS · Qualcomm · Engadget
Apple acknowledges AT&T network flaw on iPhone 18 Pro Max
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You'll have to get your phone replaced if it has already lost its signal.
Key facts
- The team released iOS 27.0.1 earlier this week and strongly encourage all iPhone 18 Pro Max users to update now, and are also issuing a carrier settings update today
- If you've checked the boxes to get an iPhone 18 Pro Max with an AT&T SIM card, here's
- If that's the case, your iPhone 18 Pro Max will show the "SOS" symbol in the status bar instead of signal bars
- The good news is that not every iPhone 18 Pro Max owner using AT&T has been affected
Summary
Following several complaints about network issues affecting iPhone 18 Pro Max devices, Apple has now confirmed that there is indeed a problem. It's not hard to tell if your phone has the bug. The good news is that not every iPhone 18 Pro Max owner using AT&T has been affected. "The team have identified an issue affecting several iPhone 18 Pro Max users on the AT&T network that may cause a device to lose service and be unable to make calls. Interestingly, the iPhone 18 Pro Max is the only model sold in the US that uses a Qualcomm modem instead of Apple's own, but it's unclear whether there's any direct connection between that and the bug.