Find out how to adjust the backlight brightness and duration.

1. From the home screen, tap the Apps icon.
2. Tap Settings.
3. Tap Display.
4. Tap Adaptive Brightness to enable or disable automatic brightness adjustment.
5. Tap Brightness level to adjust the brightness manually.
6. Tap and drag the slider to the required brightness level.
   Note: Setting a higher brightness will use more battery power and shorten the standby time of the device.
7. Tap Sleep.
8. Tap the required delay before the screen should go to sleep.
   Note: Setting a longer delay will use more battery power and shorten the standby time of the device.

The backlight settings have been changed.