If you’re thinking of moving to a new network, and want to keep hold of the same iPhone, you may hit a snag: the device is locked to your current carrier and can’t be used with any other company.

You should use a strong Lock Screen passcode to ensure thieves can't observe you entering your PIN and then stealing your iPhone. And we've shown you how to set up a stronger iPhone Lock Screen ...

Now that you’ve finally paid your phone off, Apple went ahead and announced another new iPhone. This means you’ll be upgrading, so you may be thinking about selling your existing phone to put towards ...