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 ...

Install a SIM card in your phone to enable full device capabilities, and make sure to power it down before proceeding. Use a SIM card removal tool or a sewing needle to open the SIM card tray, and ...

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 ...

eSIM is the latest sim card technology that allows you to access mobile networks without needing to get a physical sim card. Certain new phones such as Apple’s iPhone, offer the eSIM feature along ...