Apple offers free hardware replacements for defective iPhone 18 Pro Max devices
Apple is replacing iPhone 18 Pro Max devices on AT&T that lose cellular connectivity after software updates failed to resolve the issue.
FTMQ Security, written by our newsroom0 views

Apple will replace certain iPhone 18 Pro Max devices for free after users on AT&T experienced severe cellular connectivity failures, ZDNET Security and Bloomberg both reported. Affected devices lost cellular service, leaving them stuck in SOS mode and unable to place calls, send text messages, or access mobile data. [1][2][5]
AT&T initially advised impacted customers to install the iOS 27.0.1 software update immediately, warning that the outage could prevent emergency calls to 911, according to ZDNET Security. Although two software updates were released to address the glitch, ZDNET Security reported that these updates cannot repair smartphones that have already lost service. [1]
The iPhone 18 Pro Max was announced alongside the iPhone 18 Pro and iPhone Duo on September 9, 2026, during an event at Apple Park in Cupertino, California. The devices were subsequently released to the public on September 18, 2026. [7]
Owners of affected devices on the AT&T network must undergo a full hardware replacement provided by Apple to restore cellular connectivity, as reported by ZDNET Security, Forbes, and Bloomberg. [1][2][5]
In short
- Apple is replacing defective iPhone 18 Pro Max devices on AT&T for free.
- Affected smartphones become trapped in SOS mode and lose all cellular functions.
- AT&T warned that the issue could prevent customers from calling emergency services.
- Software updates including iOS 27.0.1 cannot fix devices that have already lost cellular service.
Sources
Every paragraph above points to the numbered items it rests on. Read the originals here.
- [1]iPhone 18 Pro Max can’t call or text on AT&T? Apple will replace it for freeZDNET Security, 3d ago (the report this story comes from)
- [2]Apple Offers Free Replacement Of iPhone 18 Pro Max With Cellular IssueForbes, 3d ago
- [3]iPhone 18 Pro Max vs Samsung Galaxy S26 Ultra: here's how two of the best phones of 2026 compareTechRadar, 2d ago
- [4]Why I can't wait to swap this iPhone 18 Pro Max for an iPhone DuoAppleInsider, 3d ago
- [5]Apple iPhone 18 Pro Max AT&T Glitch Requires Device ReplacementsBloomberg.com, 3d ago
- [6]iPhone 18 Pro Vs iPhone 18 Pro Max: Comparing Their Displays And BatteriesEngadget, 3d ago
Background
- [7]IPhone 18 Pro on Wikipedia
Our newsroom writes these reports with the help of software, from the 7 sources listed and nothing else, and checks them against those sources. Facts can still be wrong or move on; the originals are the record. Spotted a mistake? Write to daniel@monsterkong.com.
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