How can I adjust the screen brightness or timeout on my Samsung Galaxy A5 2017 (SM-A520W)?

Last Update Date : Apr 09. 2018

Screen brightness and timeout


You can adjust the brightness of your device's display. You can also adjust the screen timeout, i.e. the amount of time it takes your device's display to power down when it's not being used.

Note: Screens and settings available may vary depending on your Canadian wireless service provider and your software version.

Adjust screen brightness from the notification panel


1. To open the Quick Settings Panel, swipe from the top to the bottom of the screen, using two fingers.

Screen 1


2. The brightness adjustment slider is just below the Quick Settings Panel shortcuts. Touch and drag the slider to the right for a brighter screen or to the left for a darker screen.

Screen 2     Screen 3


Note: If Auto is selected, your device will adjust automatically the display brightness based on your environment. This option is selected by default. If you move the brightness slider while Auto was selected, you can modify the brightness but your device will adjust automatically the display brightness next time you will restart the device. You must uncheck the box if you want the brightness level to be manually set to a certain value and remain at that value, even if you restart your device.

Adjust screen brightness from the settings menu


1. From the Home screen, touch Apps Apps.

2. Touch Settings Settings.

3. Touch Display.

Screen 4


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

Screen 5     Screen 6


Note: If Auto is selected, your device will adjust automatically the display brightness based on your environment. This option is selected by default. If you move the brightness slider while Auto was selected, you can modify the brightness but your device will adjust automatically the display brightness next time you will restart the device. You must uncheck the box if you want the brightness level to be manually set to a certain value and remain at that value, even if you restart your device.

Adjust Screen Timeout


Choose how long the display screen remains lit after you touch the screen or press any key or button. Reducing the screen timeout can assist battery conservation.

1. From the Home screen, touch Apps Apps.

2. Touch Settings Settings.

3. Touch Display.

Screen 4


4. Swipe to and touch Screen timeout.

Screen 7     Screen 8


5. Select the desired delay from 15 seconds of no activity up to 10 minutes.

Screen 9     Screen 10


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