iPhone 18 Pro Max stuck in SOS mode? Try AT&T's urgent fix ASAP

Some iPhone 18 Pro Max users on the AT&T network are experiencing persistent SOS mode issues. Apple is offering free hardware replacements for affected devices as software updates only prevent the issue rather than fixing it.
Why it matters
Reliable cellular connectivity is critical for emergency services, and hardware failures in flagship devices impact consumer trust.
Tech > Services & Software > Operating Systems > Mobile OS > iOS
Some iPhone 18 Pro Max phones on AT&T are stuck in SOS mode. Two updates can prevent it, but affected phones need replacing.
Kerry Wan/ZDNET ZDNET’s key takeaways Some iPhone 18 Pro Max users on AT&T are losing cellular service. Apple said two updates can help prevent the issue. Affected phones require a free hardware replacement. If your iPhone 18 Pro Max has lost service on AT&T and is unable to make calls, send texts, or even use mobile data, two new software updates won’t be enough to get it working again. But Apple will replace the phone for free.
A couple of weeks ago, iPhone 18 Pro Max owners on AT&T began reporting they had lost cellular service. AT&T initially directed customers to install iOS 27.0.1 “immediately,” warning the problem could prevent calls to 911.
Also covering this story
10 other newsrooms covered this event. We read each version separately.
No, No, No-Don't Peel the Nano-Texture Layer off the iPhone Duo's Inner Screen
Apple Says iPhone Duo Has Replaceable 'Cover Layer' Above the Display
The iPhone 18 Pro is selling well in China for three reasons
Apple Confirms iPhone Duo Repair Costs, Replaceable Screen Layer for Less Than $20
Here's how much it costs to replace iPhone Duo's matte screen layer
Reddit users report iPhone 18 Pro speakers make 'popping noises'
Why I can't wait to swap iPhone 18 Pro Max for an iPhone Duo
Apple iPhone Duo Faces Reported Production Hurdles Before Launch
Jim Cramer is urging investors to buy Apple stock ahead of foldable iPhone launch
Pre-ordering iPhone Duo? 4 reasons to consider Galaxy Z Fold 8 first
Get smarter about the news
Sign up free for a feed built around what you actually care about, Dive Deeper research on any story, and the full text of every article.
Create free accountAlready have an account? Sign in