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 ...

Do you get the error message “No SIM Card Detected” or “No SIM Card Installed” after inserting a SIM card into your phone? This problem often occurs when you ...

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 ...

Apple has had support for eSIM since the iPhone Xs/XR, but it has gone all in by ditching the physical SIM card slot for iPhones from version 14 and later sold in the U.S. While models sold in other ...