Revive your unresponsive iPhone by forcing it to restart. Additionally, you can try charging the phone or reinstalling iOS.

A frozen phone is a common (and frustrating) phenomenon, but there are ways to bring your device back to life. If your iPhone isn't responding, and you're not able to power it off and then on again, ...

Recovery mode allows you to update or restore your iPhone using a computer with iTunes or Finder. Here's how to access it.

Is your iPad not responding, not powering on, or just generally being a nuisance? Sometimes a hard reset is necessary, and it's very easy to perform.