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 ...

Activating a T-Mobile SIM card is a straightforward process that allows you to connect your device to T-Mobile's network and enjoy their services. Whether you're a new T-Mobile customer or upgrading ...

What is a SIM card used for? A SIM card, or a subscriber identity module/subscriber identification module, is a tiny memory card that contains unique information and is linked to a particular network ...

Can you use an iPhone without a SIM card? Yes, you can. But the tricky part is activating and setting up the phone in the first place. If you’d like your child to be able to use a spare phone without ...

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 ...

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 ...

Changing carriers can be exciting. You might get to pick up a new phone, or maybe you want better coverage in your home area. Either way, you have to know how to get set up. Each carrier tackles SIM ...

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 ...

We purchased an iPhone 8GB today (after waiting in line at the local AT&T store for about 8 hours), only to find that once home and opened, the device lacked a SIM card. iTunes and the phone both ...