Turning your device off and on is called "restarting" your device. Restarting your device is a common first step in troubleshooting any device issues. No saved information will be lost during a restart.
1.
To turn off your phone, press and release the Power and Volume Up buttons simultaneously.
2.
Tap Power off.
To perform a simple restart instead of fully powering off your device, tap Restart.
3.
You've completed the steps!
1.
To turn off your phone, press and release the Power and Volume Up buttons simultaneously.