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 ...

Changing physical SIM cards on your phone is always a fiddly business. First, you have to root for the little SIM tray tool ...