Brightness
Adjust the screen brightness to suit your surroundings, or to your personal preference. You may also want to adjust screen brightness to conserve battery power.
1.From a Home screen, tap 
Apps > 
Settings.
2.Tap Display > Brightness.
3.Touch and drag the slider to adjust the brightness level.
Note: You can also control Brightness from the Notification panel. Drag down the Status bar at the top of the screen to find the Brightness slider.
Screen Rotation
Set the screen to rotate when the device is rotated (landscape or portrait).
1.From a Home screen, tap 
Apps > 
Settings.
2.Tap Display > Auto rotate screen to either enable
or disable screen rotation. The 
checkbox turns green when this feature is enabled.
Screen Timeout
Choose how long the display screen remains lit after you tap the screen or press any key.
1.From a Home screen, tap 
Apps > 
Settings.
2.Tap Display > Screen timeout, and then choose a time period.
Settings | 103 | Display Settings |
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