But if your XR is stuck and you're trying to perform a Force Restart (Apple's fancy term for a reboot), you'll need to do the above, then hold the Lock button. After about 10 seconds, the display ...

If it’s been a while since you’ve rebooted your phone, you might want to do so….now. The National Security Agency is suggesting people reboot their mobile devices regularly to remove malware.

All models of iPhone store your personal data, app settings and work documents in nonvolatile memory. If you shut the phone off, if its battery dies or if it freezes and you need to reboot, you ...