Change the display time out, brightness and orientation.
INSTRUCTIONS & INFO
ADJUST BRIGHTNESS: Swipe down from the Notification bar twice, then drag the Brightness slider left or right to adjust the brightness manually. Note: Swipe down from the Notification bar, then select AUTO to automatically adjust brightness.
ADJUST SCREEN TIMEOUT: From the Settings screen, select Display. Scroll to and select Sleep.
Select the desired timeoutoption.
LOCK/UNLOCK SCREEN ROTATION: Swipe down from the Notification bar twice, then select Auto-rotate.