How to fix screen flickering on Galaxy Tab S5e

Samsung Galaxy devices usually have generally reliable screens. Some older Galaxy phones that we have have run for many years now with their screen still intact. Sometimes though, smartphones may encounter software bugs or may be impacted hard enough to cause hardware seizures. If you have screen flickering on Galaxy Tab S5e, below are the troubleshooting steps that you can do to fix it.

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How to fix screen flickering on Galaxy Tab S5e

Fixing screen flickering issue on Galaxy Tab S5e is usually easy. If you’re wondering if there’s something that you can do about this issue on your tablet, follow our suggestions below.

Screen flickering on Galaxy Tab S5e fix #1: Check for hardware damage | water damage

Did you drop your Galaxy tablet lately? If yes, it’s possible that there may be a hardware malfunction that causes the screen to flicker. In some cases, screen flickering issue follows after exposing a device to elements like water or liquid. In majority of screen flickering issues, the cause is bad hardware. If the screen flickering issue on Galaxy Tab S5e occured right after any of the incidents above, you should consider getting the device checked for possible bad hardware. Visit your local Samsung store or Service Center so a professional can examine your tablet.

Screen flickering on Galaxy Tab S5e fix #2: Force reboot

If the problem occured out of the blue and there’s no obvious hardware damage to your Galaxy Tab S5e, the issue may be likely due to a temporary bug. Minor problems caused by such bugs usually go away after restarting a device. If you haven’t tried it yet be sure to do so.

In restarting, we suggest that you simulate the effects of a “battery pull” rather than do a usual restart. This will ensure that the device is refreshed and its RAM cleared. To do that, simply press and hold the Power and Volume Down buttons for about 10 seconds. Once the phone has restarted, release the buttons. This is usually effective in clearing bugs that developed when a system is left running for some time. We suggest that you restart your A50 using this method at least once a week to lessen the chances of bugs.

For some Galaxy Tab S5e, there may be a slightly different way to arrive at the same method. Here’s how:

  1. Press and hold the Power + Volume Down buttons for approximately 10 seconds or until the device power cycles. Note: Allow several seconds for the Maintenance Boot Mode screen to appear.
  2. From the Maintenance Boot Mode screen, select Normal Boot. Note: Utilize the volume buttons to cycle through the available options and the lower left button (below the volume buttons) to select. Also, allow up to 90 seconds for the reset to complete.

Screen flickering on Galaxy Tab S5e fix #3: Check Adaptive brightness

When it comes to flickering screen issue checking brightness level is usually one of the basic things to do. If none has worked so far, try pull screen brightness all the way down, then shut the phone off. After a few moments, power the phone back on and see if the screen is stable. Then, increase screen brightness again and observe.

Or, you can try to disable Adaptive Brightness feature and see how it goes. Adaptive Brightness is a useful feature that allows the system to automatically adjust screen brightness depending on light intensity of your surroundings. In some older Galaxy devices, auto brightness or adaptive brightness was the cause of the screen flickering issue. If you haven’t tried it yet, consider turning off Adaptive Brightness to see if it will fix Screen flickering on your Galaxy Tab S5e. To do that, follow these steps:

  1. On the Home screen, pull down Notification Bar from the top of the screen.
  2. Tap Settings icon at the upper right (gear icon).
  3. Tap Display.
  4. Turn off Adaptive Brightness by moving the switch to the left.

Screen flickering on Galaxy Tab S5e fix #4: Clear cache partition

Some bugs originates from a corrupted system cache. This is the cache that Android uses to load apps faster. The system cache may become corrupted or outdated after installing a system update or a new app. To ensure that your Galaxy Tab S5e uses good cache all the time, follow the steps below to clear the cache partition. Here’s how:

  1. Turn off the device.
  2. Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
  3. When the Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options).
  4. Press the Volume down key to highlight “wipe cache partition.”
  5. Press the Power key to select.
  6. Press the Volume down key to highlight “yes” and press the Power key to select.
  7. When the wipe cache partition is complete, “Reboot system now” is highlighted.
  8. Press the Power key to restart the device.

Screen flickering on Galaxy Tab S5e fix #5: Check screen on Safe Mode

In other cases, flickering screen issue can be a result of a poorly coded app. This is sometimes seen with games that tries to adjust incorrectly a phone’s display settings. If your Tab S5e’s flickering screen issue won’t go away after clearing the cache partition, you can then restart it to safe mode. While on safe mode, check for the problem by letting the phone run a few apps for at least 30 minutes. If the screen works normally on safe mode, you can bet one of your apps is to blame.

Follow these steps to put your Tab S5e to safe mode:

  1. Turn the device off.
  2. Press and hold the Power key past the model name screen.
  3. When “SAMSUNG” appears on the screen, release the Power key.
  4. Immediately after releasing the Power key, press and hold the Volume down key.
  5. Continue to hold the Volume down key until the device finishes restarting.
  6. Safe mode will display in the bottom left corner of the screen.
  7. Release the Volume down key when you see Safe Mode.
  8. Once on safe mode, try to charge the phone for at least 30 minutes and see what happens.

Remember, this troubleshooting step only covers third party apps. All preinstalled apps will continue to run on safe mode. If the screen works normally on safe mode but not on regular mode, you must narrow down the suspect apps using elimination method. Here’s how:

  1. Boot to safe mode.
  2. Check for the problem.
  3. Once you’ve confirmed that a third party app is to blame, you can start uninstalling apps individually. We suggest that you begin with the most recent ones you added.
  4. After you uninstall an app, restart the phone to normal mode and check for the problem.
  5. If your Tab S5e is still problematic, repeat steps 1-4.

Screen flickering on Galaxy Tab S5e fix #6: Reset all settings

If screen flickering on Galaxy Tab S5e remains after clearing doing the safe mode procedure, follow it up by resetting software settings. This solution option is similar to factory reset minus the hassles of deleting user data, apps, and more. Here’s how:

  1. Open Settings app.
  2. Tap General management.
  3. Tap Reset.
  4. Tap Reset all settings.
  5. Tap RESET button.

Screen flickering on Galaxy Tab S5e fix #7: Install updates

Some Android problems are due to poor coding. Although we don’t hear any flickering screen problem due to firmware glitch, it’s not a bad idea to keep Android and apps up-to-date. If you’re lucky and your unique case is due to an unknown software or app glitch, installing updates may help.

Screen flickering on Galaxy Tab S5e fix #8: Boot to Recovery | Master reset

The final troubleshooting step that you can do is to return all software settings to their defaults. If the cause of the problem is software in nature, factory reset might help. Be sure to do this solution after you create a backup of your personal data.

Below are the two ways to factory reset your Tab S5e:

Method 1: How to hard reset on Samsung Galaxy Tab S5e via Settings Menu

This is the easiest way to wipe your Galaxy Tab S5e. all you have to do is to go under Settings menu and follow the steps below. We recommend this method if you have no trouble going under Settings.

  1. Create a backup of your personal data and remove your Google account.
  2. Open Settings app.
  3. Scroll to and tap General management.
  4. Tap Reset.
  5. Select Factory data reset from the given options.
  6. Read the information then tap Reset to continue.
  7. Tap Delete All to confirm action.

Method 2: How to hard reset on Samsung Galaxy Tab S5e using hardware buttons

If your case is that the phone is not booting up, or it boots but Settings menu is inaccessible, this method can be helpful. First, you need to boot the device to Recovery Mode. Once you successfully access Recovery, that’s the time that you begin proper master reset procedure. It may take some tries for you before you can access Recovery so be patient and simply try again.

  1. If possible, create a backup of your personal data ahead of time. If your problem prevents you from doing that, then simply skip this step.
  2. Also, you want to make sure that you remove your Google account. If your problem prevents you from doing that, then simply skip this step.
  3. Turn off the device. This is important. If you can’t turn it off, you’ll never be able to boot to Recovery Mode. If you are not able to shut the device off regularly via the Power button, wait until the phone’s battery is drained. Then, charge the phone for 30 minutes before booting to Recovery Mode.
  4. Press and hold the Volume Up button and the Bixby button at the same time.
  5. While still holding the Volume Up and Bixby keys, press and hold the Power button.
  6. The Recovery screen menu will now appear. When you see this, release the buttons.
  7. Use the Volume Down button until you are highlighting ‘Wipe data/factory reset.’
  8. Press the Power button to select ‘Wipe data/factory reset.’
  9. Use Volume Down to highlight Yes.
  10. Press the Power button to confirm factory reset.

Screen flickering on Galaxy Tab S5e fix #9: Get help from Samsung

As an end user, there’s only so much that you can do. If the screen of your Galaxy Tab S5e still continues to flicker, even after a factory reset, you can assume that the cause is something deep within the system. It may be hardware malfunction or a bad software bug. To fix the problem, you want to get the phone repaired. Contact Samsung and have the device replaced or repaired.

 


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