If you need to find out your iPhone's carrier without a SIM card installed, you can do so through the Settings app.

Once you’ve activated your iPhone with your carrier, it should continue to work on the cellular network without any problems as long as you’re within range of a tower. Nevertheless, the vagaries of ...

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 ...

Learn how to activate eSIM on your iPhone with this easy guide. Discover compatibility, setup methods, and tips for seamless ...

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