If your iPhone won't turn off the usual way, you can force restart it with a button combination specific to your iPhone model.

All great tech fails every now and then, and thankfully there are ways to easily bring devices back to life when they freeze up. If your iPhone isn't responding and you're not able to power it off and ...

The revamped Control Center in iOS 18 adds an easier way to restart your iPhone. With your iPhone upgraded to iOS 18, open the Control Center by swiping down from the top-right corner of the screen.