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

Find your iPhone's model number in the Settings app. If it starts with an F, it was refurbished by Apple or a carrier.

When buying a new iPhone, whether directly from a retailer, secondhand, or through an online seller, it's smart to double-check its authenticity and condition. Not all iPhones labelled new are ...

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