1. From the clock screen, swipe up from the bottom edge of the screen.
    device 2920/1500591.jpg
  2. Scroll to, then tap Settings.
    device 2920/1500592.jpg
  3. Tap Display.
    device 2920/1500593.jpg
  4. To adjust the display brightness, tap Brightness.
    device 2920/1500594.jpg
  5. Tap the Automatic checkbox to enable or disable automatic brightness.
    device 2920/1500595.jpg
  6. Touch, then drag the Brightness slider to adjust the display brightness.
    device 2920/1500596.jpg
  7. Tap OK.
    device 2920/1500597.jpg
  8. To adjust the screen timeout duration, tap Screen timeout.
    device 2920/1500598.jpg
  9. Tap the desired option.
    device 2920/1500599.jpg