1. From the home screen, swipe down from the top of the screen, and tap the Settings icon.
   
2. Under the Device tab, tap Display.
   
3. To adjust the brightness of the screen, tap Brightness then adjust the slider as desired.
   
4. To adjust the screen timeout, tap Screen timeout.
   
5. Tap the Desired time.
   
6. To lock or unlock screen rotation, swipe down from the top of the scree, then tap the Screen rotation icon.