All iPhones and iPads with cellular have a slot on their sides that houses the Subscriber Identity Module (SIM) card provided by your mobile carrier. The SIM card enables your device to access the ...

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 ...

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 ...

The iPhone Air will only have an eSIM - will other phone makers also shift away from the familiar - but fiddly - plastic cards?

With smartphones, where Apple leads others often follow - so it launching an iPhone this week without a traditional Sim card is raising questions over the future of a very familiar piece of phone tech ...

Wondering how to add contacts to your Apple Watch? With watchOS 8, it's finally possible. Here’s how to view, edit, share, and manage contacts directly from your watch. Lance is an experienced writer ...