To remove the SIM card from your iPhone, you'll need to eject the SIM card tray with a special tool or paperclip.

To unlock your iPhone from its carrier, you'll likely need to contact your carrier directly to cancel your contract.

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 ...

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 ...

The iPhone 15 relies on your carrier’s SIM card to connect to cellular networks. A “No SIM Card Detected” error indicates a disruption in this essential process ...

Turning your phone's connection off and then back on is the quickest and easiest way to try and fix your signal woes. If you're moving around from one location to another, toggling Airplane mode ...

The eSIM is faster and more convenient than a physical SIM card. You can activate an eSIM digitally. You can switch between different providers without having to replace the SIM card physically. eSIM ...

You're probably already familiar with the SIM card, a tiny chip in your phone that connects it to your cell phone carrier of choice. For years, this chip was on a physical card that you could swap in ...