1. From the home screen, swipe down from the top to access Dropdown menu.
   
2. Tap the Settings icon.
   
3. Scroll to then tap Display.
   
4. To turn off the Auto brightness, uncheck the Auto checkbox, then touch and drag the brightness slider to the desired level.
   
5. To adjust the Screen timeout, tap Screen timeout.
   
6. Tap desired time.
   
7. To turn on a screensaver, tap Daydream.
   
8. Tap the ON/OFF toggle.
   
9. Select the Desired Screensaver.