The newer eSIM technology, which is quickly becoming the standard on high-end phones, is safer and more convenient.

If your new phone no longer supports SIM cards, or you don't want to use them anymore, you can convert to eSIM instead.

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 ...

A SIM card, or subscriber identity module card, is essential component of any phone. It connects your device to a cellular network and stores vital information, including your phone number. Many ...