AT&T calls failing for a small number of iPhone 18 Pro users

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. AT&T has reportedly acknowledged problems with the eSIMs for the iPhone 18 Pro - image credit: AT&T. 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.