AT&T claims iOS 27.0.1 fixes iPhone 18 Pro Max cellular issues, but users disagree [U]
![AT&T claims iOS 27.0.1 fixes iPhone 18 Pro Max cellular issues, but users disagree [U]](https://9to5mac.com/wp-content/uploads/sites/6/2026/09/iphone-18-photos-32.jpg?quality=82&strip=all&w=1600)

Update 1:50 p.m. PT: More details from Apple are available here:
- Apple confirms iPhone 18 Pro Max AT&T cellular issues, affected devices require hardware replacement
Since the iPhone 18 Pro Max launched, some AT&T customers have complained of various connectivity issues.
In a new text message to customers, AT&T says affected users should update their devices to iOS 26.0.1 to fix the issues … but early reports indicate the update doesn’t actually fix the problem.
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