1. Swipe down from the top of the screen with two fingers to reveal the menu.
    device 3217/1683422.jpg
  2. Tap SETTINGS.
    device 3217/1683423.jpg
  3. Scroll to, then tap Display & gestures.
    device 3217/1683424.jpg
  4. To adjust the screen timeout duration, tap Screen timeout, then tap the desired option.
    device 3217/1683425.jpg
  5. To adjust the screen brightness, tap Brightness.
    device 3217/1683426.jpg
  6. To lock or unlock screen rotation, tap Auto-rotate screen.
    device 3217/1683427.jpg