Apple has confirmed service problems affecting a small number of iPhone 18 Pro Max users on the AT&T network. The company stated, "We have identified an issue that may cause a device to lose service and be unable to make calls." Apple advises users to update their devices to iOS 27.0.1, which was released earlier this week, as well as to apply a carrier settings update expected in the next two weeks. This update aims to prevent further issues. If a device has already lost service, users will need to seek a replacement.
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Since the launch of the iPhone 18 Pro Max last month, AT&T customers have reported difficulties in making calls, sending texts, and using cellular data. AT&T acknowledged these issues in a message to customers, urging them to update to iOS 27.0.1 immediately. The message noted that some phones might be unable to complete calls or send texts, including emergency 911 calls.
The update to iOS 27.0.1 began rolling out on Monday and includes patches for various bugs but does not specifically mention the AT&T connectivity issues. Despite the update, some users, including writer Lindsay Robertson, have continued to experience problems. Robertson mentioned her inability to make or receive calls and plans to visit an AT&T store and then the Apple Store for a replacement device.
An AT&T spokesperson indicated that the update should help resolve issues related to calls, data, and texts for affected iPhone 18 Pro Max users. The spokesperson emphasized that the company's priority is to keep customers connected.
Some users who visited Apple Stores reported receiving replacements and indicated that their connectivity issues had been resolved. Updates regarding these cases were noted before the iOS 27.0.1 release.