Use a screen saver
Set up screen saver
While your phone is idle on a dock or charger, turn it into a desk clock, a photo frame to show off your pics, or more.
- Go to Settings > Display.
- Tap Screen saver.
Do any of the following:
- To change screen savers, select one. To set options for that screen saver, tap Customise.
- To preview your selection, tap Preview. Tap the screen anywhere (unlock if necessary) to return to settings.
- To adjust when the screen saver starts (while docked, charging or either), tap When to start.
Start screen saver
The screen saver automatically starts when you connect your phone to a dock or charger and the screen turns off.
To exit the screen saver and return to your home or lock screen:
- Press the Power button.
- Or, if you're using fingerprint security, touch the sensor.
To manually start your screen saver any time, go to Settings > Display > Screen saver and turn Use screen saver on 
Turn off screen saver
To prevent the screen saver from starting automatically:
- Go to Settings > Display.
- Tap Screen saver.
- Turn Use screen saver off
Add screen savers
Search for ‘Screen saver’ in Play Store for apps that give you more.
After you install an app, you can select the new ones in Settings > Display > Screen saver.