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Adjusting the Screen Brightness and Timeout on Your Galaxy Tab A (SM-P550, SM-T550, and SM-T350)

You can adjust the brightness of your device's display manually or automatically. You can also adjust the screen timeout—the amount of time it takes your device's display to power down when it's not being used.

Adjusting Display Brightness

Turning on automatic brightness can assist battery conservation.

  1. Swipe from the top of the screen to the bottom to open the Notification Panel.

    Samsung Swipe from Top of Screen to Bottom to open Notification Panel
  2. Touch and drag the slider to the right for a brighter screen or to the left for a darker screen.   

    Samsung touch and drag slider to adjust brightness

    Marking the Auto checkbox lets the device adjust the display brightness based on your environment.

From the Display Settings

  1. From the Home screen, touch Apps  > Settings > Display.   

  2. Touch and drag the Brightness slider to the right for a brighter screen or to the left for a darker screen.   

    Samsung Touch and Drag Brightness Slider

    Marking the Auto checkbox lets the device adjust the display brightness based on your environment.

Adjusting Screen Timeout

Reducing the screen timeout will increase battery life.

  1. From the Home screen, touch Apps > Settings > Display.   

  2. Touch Screen timeout.   

    Samsung Touch Screen timeout
  3. Select the desired delay from 15 seconds of no activity up to 10 minutes.   

    Samsung Select Desired Delay

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