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 ...

We previously reported that a tiny handful of iPhones shipped without SIM cards, while significantly more units have generated the error message "No SIM card ...

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 ...

Apparently numerous people are facing difficulty activating their new iPhone X, so if you are experiencing that you aren’t alone. But, activation issues aren’t limited to the iPhone X. There have been ...

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 ...

E-SIM-only phones offer instant carrier switching and multiple profiles, but setup and international travel challenges limit ...