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 ...

Drug dealers. Cheating spouses. Spies. They can all benefit from Ready SIM, a SIM card that self-destructs–well, kind of. The prepaid wireless service, which leverages T-mobile’s network, collects no ...

Due to in-family upgrades I have an iPhone 5S that no one needs. I'd like to keep it for development purposes, but I don't want to keep track of yet another Apple ID and I don't want to put a 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 ...

If you have a new phone or a new SIM card for your existing phone, activating the SIM is very straight forward. Make sure your phone is switched on and insert the SIM card. Once the SIM is inserted, ...

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 ...

AT&T has confirmed in a statement that the new universal Apple SIM card in iPad Air 2 and iPad mini 3 becomes locked to the carrier after being activated on its network. It appears AT&T might be the ...