Fix Auto Brightness Not Working on Samsung S20: 8 Tricks

Auto Brightness Not Working on Samsung S20
Auto Brightness Not Working on Samsung S20

I think so, you are pretty happy with the new Samsung S20, but auto-brightness is not working on S20 is quite irritating because it directly questions the performance of the device. Actually, I have received lots of reports from the users of Samsung S20 on forums and social media. Users reported that the brightness level doesn’t work properly while carrying the device to the dark or bright area and also S20 plus ambient light sensor is not running perfectly.

The adaptive brightness won’t work on S20 ultra can be due to malfunction of sensor or after software update. Well, whatever it may be, in this article we have mentioned some of the most effective workarounds to fix the issue. If you have any related issue so continue to read this it might effectively fix the problem on your device.

Samsung S20, S20 Plus, S20 Ultra Auto Brightness Not Working

Update the phone

Did you update the device to the latest firmware update? If no, then update the device if available because updating the device to the latest OS enhances the overall performance of the device. And also helps the device to fix all the minor bugs and glitch present in the device. Therefore, verify for the update through Settings> System Updates> Check for System Updates.

Disable Power Saving Mode

The Power saving mode in Android is mainly used to prevent the battery from draining by decreasing the CPU performance. It limits various features like screen brightness, vibrations, and more. So Due to power saving, there are chances where S20 auto brightness not working.

  • Swipe down the Notification Panel.
  • Search Power Saving Mode and tap the icon to disable it.

Restart Samsung Galaxy S20

Restarting the device close down all the currently running processes in the RAM and all the previously running apps are purged. Whereas it also fixes all the minor bugs present in the device, plus, we recommend you to restart your device once in a week to increase the performance effectively.

  • Press the Power Button.
  • Hit Restart Symbol.

Toggle off/On Adaptive Brightness

If still your issue is not fixed after performing all the above-mentioned tasks, then try to re-enable the adaptive brightness on Samsung Galaxy.

  • From the main screen, swipe down the Notification Panel.
  • Go to Settings.
  • Search and hit Display.
  • Firstly disable the Adaptive Brightness and re-enable it.

Calibrate Auto-Brightness

The process calibrates is nothing but mark or adjustment of the feature so they can be used in an exact and perfect way. So try to perform calibrate auto-brightness on Samsung Galaxy S20 plus by performing given below steps.

  • Take your device a dark place where there is proper network range accessibility without any disturbance and cover the sensor of it.
  • Swipe down the Notification Panel and increase the brightness to the highest level.
  • Enable and disable the Adaptive Brightness without uncovering the sensor.
  • Go to Settings.
  • Search and hit Display.
  • Touch Adaptive Brightness.
  • Now take your device where there is light and uncover the sensor and increase the level of brightness.
  • Finally, turn on Adaptive Brightness.

Reset Adaptive Brightness

Doing so will bring back the feature to default settings and fixes the accidental settings that create galaxy S20Plus auto brightness not working.

  • Navigate to Settings App.
  • Go to Apps.
  • Search Device Heath Service.
  • Tap Storage> Manage Storage.
  • Finally, Reset Adaptive Brightness.

Broken Sensor

Adaptive Brightness aka Auto Brightness is totally dependent on the Sensor. Like when you cover that particular sensor with your hand, it will automatically increase the brightness and vice versa.

  1. Open the Phone App and dial *#0*#.
  2. From there you can test Proximity Sensor.

If it is not responding or working fine, then the only option left for you is to rush to nearest Samsung Service Center and get it repaired.

Safe Mode

Safe mode disables all the third-party applications and will let you only use the first party apps like Phone, Messages, Gallery, etc. If the performance of adaptive brightness is hampered by any of the third-party app or bug, in Safe Mode, the phone should start working. Try this.

  1. Press and hold the Power button until Power Options shows up.
  2. Touch and hold Power Off button.
  3. Select Safe mode.

Perform Reset all Settings

Performing these workaround brings backs the device to its default settings, whereas as the personal data, media, images, and app are not affected by this procedure. So try to perform on your device and verify the issue.

  • Go to Settings.
  • Select General Management.
  • Touch Reset>Reset Settings.
  • Enter PIN or Password you have set.
  • Finally hit Reset.

Factory Reset Phone

The factory reset is one the last and the most effective workaround in this line-up, usually perform to fix all the bugs present in the device.

  • Head to Settings App.
  • Select General Management.
  • Tap Reset.
  • Enter PIN or Password if prompted on the screen.
  • Hit Delete All.

Final Thought!

After performing above mentioned troubleshooting, your Samsung S20 display will automatically adjust the screen brightness to reach your visibility level. And in case, if it doesn’t works disable Auto-Brightness and manually adjust it.

What Is Auto Brightness On Samsung Galaxy S20 Series?

Auto brightness is an aspect that automatically adjusts the brightness of the screen based on the surrounding environment.

Can I Turn Off Auto-Brightness On Samsung Galaxy S20 Series?

Yes, you can disable it; head to Settings > Display > Brightness. Toggle off Turn Off Auto Brightness.

Is Auto-Brightness important On Samsung Galaxy S20 Series?

Auto-brightness is a feature that aims to save battery life on Samsung Galaxy S20 by automatically adjusting the brightness level based on the surrounding environment.

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