Head into Settings > Phone > SIM Pin. Toggle SIM Pin on. Note that you may need to contact your carrier to figure out what the default pin is if this is your first time setting this up. After entering ...

You'll need your iPhone's IMEI number if you want to unlock it and use it on a different cellular provider.

At some point in time, you may need to know your iPhone’s serial number and SIM number. And if you don’t have your own phone number memorized, well, it goes without saying that you’ll need to look ...

Anyone looking to add more than one number to their iPhone, maybe to keep work and pleasure separate or just to have multiple numbers on one device. Will be pleased to know that this is made possible ...

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 ...

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

Apple's iPhone 14 lineup brings a pretty significant change for customers in the U.S. For the first time, you won't find any room for a physical SIM card in your new iPhone. Instead, you'll need to ...