1. From the home screen, tap Apps.
   
2. Swipe to, then tap Settings.
   
3. Scroll to "Device", then tap Display.
   
4. Tap Brightness.
   
5. Tap the Automatic brightness checkbox.
   
6. Touch, then drag the Brightness slider to adjust the display brightness.
   
7. Tap OK.
   
8. Tap Auto-rotate screen to lock and unlock screen rotation.
   
9. Tap Screen timeout.
   
10. Tap the desired screen timeout duration.