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

What is a SIM card used for? A SIM card, or a subscriber identity module/subscriber identification module, is a tiny memory card that contains unique information and is linked to a particular network ...

You can find your phone number on an iPad associated with either its SIM card or FaceTime account, depending on your iPad's ...

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 ...

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