1. From the home screen, swipe down from the Notification bar.
   
2. Tap the Settings icon.
   
3. Tap the MY DEVICE tab, then tap Display.
   
4. To adjust the brightness, tap Brightness.
   
5. Drag the Brightness slider to the desired level, then tap OK.
   Note: Tap the 'Automatic brightness' checkbox to enable/disable automatic brightness adjustments.
   
6. Tap Auto rotate screen to toggle screen rotation on or off.
   
7. To change the screen timeout, tap Screen timeout.
   
8. Tap the desired timeout duration.