1. From the home screen, swipe down from the top of the display to access Quick Settings.
   
2. Tap Rotation lock to lock/unlock the screen orientation.
   
3. For additional display options, tap Settings.
   
4. Tap Display.
   
5. To adjust the screen brightness, drag the Brightness slider to the desired level.
   
6. To change the screen timeout, scroll to then tap the Screen Timeout drop-down.
   
7. Tap the desired option.