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 ...

Sareena was a senior editor for CNET covering the mobile beat, including device reviews. She is a seasoned multimedia journalist with more than a decade's worth of experience producing stories for ...

Changing physical SIM cards on your phone is always a fiddly business. First, you have to root for the little SIM tray tool ...

To unlock your iPhone from its carrier, you'll likely need to contact your carrier directly to cancel your contract.

Apple's iPhone 14 lineup brings a pretty significant change for customers in the U.S. For the first time, you won't find any room for a physical SIM card in your new iPhone. Instead, you'll need to ...

You've just purchased a new iPhone and need to transfer your contacts from an Android phone. Here are 4 different ways to do just that.