Restarting your iPhone is usually straightforward, but it gets a bit trickier if you don't have a working power button.

The quickest way to turn off your iPhone 16 is using the physical buttons. Press and hold the side buttonand either volume button simultaneously until you see the power off slider appear on screen.

Using the New Power Button in Control Center Swipe down from the top-right corner of your iPhone screen to open Control Center. Press and hold the Power button in the top-right corner.