If your device is unresponsive or isn't working properly, you may need to restart it. Restarting is different from turning off and on your device, which only powers the device down temporarily. When you restart your device, it powers all the way down and then back up again. This can fix many problems with apps, connectivity, and more.
To restart your device:
1. Press and hold the power button for a few seconds. On most devices, you'll see a power off option appear on the screen after holding the button for a couple of seconds.
2. Tap or select the power off option. Depending on your device, you may have to confirm that you want to turn it off.
3. Wait a few seconds for your device to power down completely before turning it back on again by pressing and holding the power button until you see the startup screen or logo appear