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 ...

is a news writer focused on creative industries, computing, and internet culture. Jess started her career at TechRadar, covering news and hardware reviews. Apple SIM technology is no longer available ...

You may have had AT&T SIM (Subscriber Identity Module) card problems on your iPhone before or received the notification "Airtel SIM not provisioned." This happens sometimes, and the reason is fairly ...

Verizon is one of the largest mobile service providers in the U.S., with coverage stretching coast to coast. If you need to activate your Verizon mobile, you can do so online at My Verizon, by ...

Owners of cellular iPads are no longer able to use a supplied Apple SIM to activate a data plan for their tablet, forcing users to either use a different physical SIM or move to eSIM. Apple included ...