How to Fix Android Brightness Problems (4 Working Fixes)

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Isn’t it annoying when the brightness of the display of your Android smartphone fluctuates or changes inconsistently? By default, the brightness settings of your phone will automatically adjust depending on the level of light in the current environment. If the current environment where your phone is exposed is bright then the brightness will be low and if your surrounding is too dark, the brightness will ramp up.

If your brightness settings are flying all over the place, or it keeps dimming even when set to max, then there’s a problem that needs to be fixed. If you’re already at your wit’s end, then don’t worry, we’ve got a few things and workaround for you to try to get your brightness problem sorted out.

Related: A Better Night’s Sleep Even if You Use Your Android Right Before Bed

Some of these methods change from device to device, so don’t worry if all the steps here don’t apply to you. Follow all of the steps you can until you either get to the end, or your brightness problem is fixed. If you don’t have a hardware problem creating the issue, your screen will be fixed before you’re done reading.

How to Fix Phone Display Brightness Problems?

If the brightness of your phone exhibits abnormal behavior, here are a few things you can do to fix it regardless if the problem is brightness to low, going down by itself or water damages.

  1. Check Brightness Settings / Disable Automatic Brightness Adjust

    How to Fix Android Brightness Problems (2)

    Disable Automatic Brightness

    If you haven’t checked the brightness settings of your phone, do it now. Otherwise, proceed to step 2.

    Sometimes, the culprit behind your phone’s brightness going down by itself is the built-in brightness automatic adjustment. In some phones, it’s called Adaptive Brightness, Auto-Adjust, Automatic Brightness, or Auto-Dim.

    To ensure that this is not the culprit, go to your phones device settings. Proceed to the display option and check if it is enabled. If it is enabled, disable it.

    Additional Tip:

    • Also, ensure that the battery saving mode is not enabled on your device, it’s another possible culprit that causes this issue to save battery life.
    • In some devices, like ASUS Phones, this option is found within the Customized Settings.
  2. Perform Phone Soft/Quick Reset

    How to Fix Android Brightness Problems (2)

    Device Restart

    Whenever we encounter an issue with our phone, the first best thing to do is to restart the phone. This is like a first-aid for smartphones. Most of the time, restarting the phone could potentially fix most phone problems.

    To do this, simply press and hold the power button of your phone and select “Power Off“. If you are presented with a “Restart” option, select that instead.

    Additional Tip:

    • If restarting the phone did not work, give Power Cycle a try. To do Power Cycle, remove the battery of your phone then press and hold the power button for at least 10 seconds.
    • If the battery of your phone is unremovable, fully deplete the battery of your phone. Once fully depleted, do not charge the phone and power it up by pressing and holding the power button. Keep doing this for 5 more times. After that, charge your phone and power it up. See if it fixed the issue.
  3. Control Brightness with Other Apps

    If your default brightness slider and settings aren’t getting the job done, using a different app might do the job. You have a few different options at your disposal, but we recommend trying Lux Lite.

    Lux Lite


    Lux gives you more device brightness control than the built-in settings of Android. If the issue behind the brightness of your device is due to the stock setting, Lux will eliminate brightness problems caused by it.

    To learn more about this app, you can download and install it by clicking the link below.

  4. Troubleshooting Brightness Problems

    If everything else fails to fix the brightness issue of your device, then the problem could be more severe. To rule out the root cause, follow these basic troubleshooting steps.

    If by the end of that guide the problem still persists, then you’re out of luck. At this point, it could potentially be a hardware issue. DO NOT pry open your phone to try and fix the problem yourself. You could potentially do more harm than fix it. We highly recommend consulting the device warranty, and where you purchased your Android phone, for repairs.

    In most cases, the only fix for hardware problems is to replace it with brand new working parts. In this case, replacing the display LCD could be the solution.

    Repairing Phone

    Replacing Phone Parts

    If you have no idea or experience in doing this and want to give it a try, we recommend watching videos on how to pry open and replaced parts of your specific phone model. Simply type on Google “Screen Replacement” without the quote followed by your phones exact model. Example, screen replacement Samsung S5. Google will provide helpful articles and video guides to help you out.

    But before anything else, if you’re really going down this path of fixing and replacing the LCD panel by yourself, ensure you have the proper tools needed. We highly recommend iFixit Pro Tech Toolkit.

    iFixit Pro Tech Toolkit

    iFixit Pro Tech Toolkit Set

    85 in 1 iFixit Professional Repair Toolkit

    The iFixit Pro Tech Toolkit includes:

    • 64 pcs Bit Driver Kit
    • Anti-Static Wrist Strap
    • Small Suction Cup
    • Opening Tool and Picks
    • Tweezers
    • Spudgers
    • Jimmy
    • Magnetic Pad
    • Tool Roll
    • Nylon Bag


Related Questions People Ask About

How to fix a water damaged phone with a brightness problem?

To fix the brightness problem of a water damaged phone, first, try to drain all the liquid inside the phone. Place the phone inside of a small box and fill it with uncooked rice. The rice will absorb all moisture content of the box leaving your phone fully dry. Once done, check if that fixes the problem. Otherwise, the issue could be more severe as to a hardware damaged problem.

How to fix zero brightness on Android phone?

When referring to zero brightness, that pertains to dead LEDs that are responsible for providing the brightness of your device. The only fix for this issue is to replace the screen display panel.

How to fix brightness turning itself down?

To fix brightness turning itself down, go to the device settings and search for display settings. Look for brightness settings or auto brightness option. Disable it to prevent your phone from lowering the brightness automatically.


As long as your brightness problem isn’t being caused by faulty hardware, you can fix it in a few minutes flat. Things start to get complicated once the hardware is involved, but with most brightness problems, all it takes is a few seconds of troubleshooting in the right direction.

If you need any help or have any other questions about brightness, please feel free to comment down below.

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