iPhone 18 Pro call problems on AT&T

It’s not affecting many people at all, but if your iPhone 18 Pro or iPhone 18 Pro Max is not working on AT&T, this is what you need to do.

While all of the bugs affecting the new iPhone 18 Pro and iPhone 18 Pro Max are only happening for a very small group of users, they are happening. Alongside the already reported Face ID restart bug, due to be fixed shortly, AppleInsider has been told of an AT&T issue.

The issue is that, for the affected users, cellular calls cannot be made or received. Calls work when using AT&T Wi-Fi Calling, but cellular signal strength either varies or stays on SOS only.

According to AppleInsider podcast listener Rod, the issues started immediately and while AT&T has acknowledged it, Apple has not. It’s said to be related to eSIMs and AT&T advised Santiano to switch back to his iPhone 17 Pro Max.

As he notes, though, it is chance that he hadn’t already returned that in an upgrade trade. Plus affected users still have their iPhone 18 Pro and are now around a week into their 14-day return window.

Some users in a Reddit discussion about the issue claim to have found solutions, but they don’t appear to be working consistently. One user on Apple’s discussion forums says that their iPhone 18 Pro was believed to be faulty and so was replaced.

If you are affected by this bug, contact both Apple and AT&T support to get your problem documented. Details of all of Apple’s support options are on the company’s official support page.

AT&T has a device help center. There is also an AT&T iPhone app.

Separately, AT&T has said that it has no plans to support Apple’s new iPhone Handoff feature. This is the iOS 27 option that lets users have one number but two iPhones.