1. From the home screen, swipe down from the Notifications bar.
   
2. Tap the Settings icon.
   
3. Under the Display tab, tap Auto-rotate screen to turn screen rotation off or on.
   
4. To adjust screen timeout, tap Screen timeout.
   
5. Tap the desired option.
   
6. To adjust screen brightness, touch and drag the Brightness slider to the desired level.
   
7. The Knock On feature allows the screen to be quickly unlocked by double-tapping the screen.