Activate your iPhone back to AT&T if the SIM card you insert after you install blackra1n onto the device doesn't work properly. Blackra1n is a third-party program that "jailbreaks" SIM-bearing iPhones ...

iPhone users on iOS 26, iMessage activation may be blocked by an inactive SIM — here's how to fix it. Some users are finding ...

You generally can't use an Apple iPhone on a cell network if it's never been activated with such a network, although once it is activated you can remove your SIM card or simply never connect to the ...

Apple has reportedly acknowledged a “SIM not supported” bug affecting the iPhone 14, iPhone 14 Pro and iPhone 14 Pro Max, according to a Memo seen by MacRumors. Some iPhone 14s are freezing completely ...

OS 26 users are reporting iMessage activation issues caused by inactive SIM conflicts. Learn why this happens and how to fix ...

Since iOS 26 was released last month, some iPhone users have had problems using iMessage with their phone numbers.