Apple has confirmed that US iPhone 18 Pro Max units experiencing cellular service loss on AT&T require a full device replacement, as software updates cannot fix the issue.
AT&T has acknowledged cellular connectivity issues on the iPhone 18 Pro Max, urging users to update to iOS 27.0.1 despite reports that the fix may not resolve the problem.
Independent tests show the A20 Pro chip in the iPhone 18 Pro Max outperforms Apple's official 40% GPU growth claim, reaching up to 50.3% higher average frame rates in AAA games.
Apple uses firmware-level capacity limiting to bypass aviation transport regulations for the high-capacity batteries in the new iPhone 18 Pro Max.
