If your iPhone isn't responding, and you're not able to power it off and then on again, you can force restart it to hopefully fix the issue.  Forcing a restart is different from a normal restart.

Back Up and Restore Data With Finder If you have a Mac running macOS Catalina or higher, you'd use Finder to back up and restore your iPhone. To set this up, connect your iPhone to your Mac, open ...

Resetting your iPhone to factory settings is an essential process for various situations, such as troubleshooting persistent issues, preparing the device for resale, or passing it on to someone else.

Forgetting your iPhone passcode can be a frustrating experience, but there is a way to regain access without using a computer, provided certain conditions are met. Apple has designed a secure process ...