After weeks of anticipation and doubt, the iPhoneSimFree software unlock -- which purportedly allows the device to be used on carriers other than AT&T in the United States and in other countries -- is ...

An iPhone passcode is a security feature in the form of a four-digit number or longer code, used to protect your device from unauthorized access. But what happens when you lose or forget this passcode ...

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.