galaxy s4 screen dims randomly?

Samsung Galaxy S4 Mysterious Display Failure

How to stop the screen from dimming on your Galaxy smartphone

Your phone or tablet has several power saving features which control when the screen dims or switches off. For instance, it is normal for the screen on your device to switch off when you make a call. The screen will dim when you move the device next to your ear or if you use the speakerphone. To wake the screen up during a call simply press the Home or Power key. You can also set the phone to wake by double tapping the screen.

How to stop the screen from dimming on your Galaxy smartphone

Your phone or tablet has several power saving features which control when the screen dims or switches off. For instance, it is normal for the screen on your device to switch off when you make a call. The screen will dim when you move the device next to your ear or if you use the speakerphone. To wake the screen up during a call simply press the Home or Power key. You can also set the phone to wake by double tapping the screen.

iPhone: How to Fix Screen Is Too Dark Even When Maximum Brightness Is Turn On

Check to make sure that the proximity sensor is not blocked by a case or cover on your screen. If you find that the display dims automatically and you’d like to increase the brightness, try deactivating the Adaptive brightness feature to control the screen brightness yourself.

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