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

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

The sleep/wake button on your iPhone is crucial to the functionality of your device. So when my partner’s brand new iPhone 15 Plus lock button randomly became stuck, it was annoying, to say the least.