Change the display time out, brightness and orientation.
INSTRUCTIONS & INFO
ADJUST SCREEN BRIGHTNESS: From the home screen, swipe down from Notification bar and select the Settings icon.
Select Display, then drag the brightness slider to adjust the brightness as desired. Select the Auto brightness switch to adjust the brightness automatically.
ADJUST SCREEN TIMEOUT: Select Screen timeout.
Select the desired time.
LOCK/UNLOCK SCREEN ORIENTATION: Swipe down from the Notification bar, then select Auto rotate icon.