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How to fix Samsung Galaxy S8 with flickering screen after installing Android 8.0 Oreo update (easy fix)

Some Samsung Galaxy S8 owners have already installed Android 8.0 Oreo while others are hesitant because some users reported having encountered issues shortly after installing the Oreo update. Among the most common issues that were reported to us were problems affecting the overall performance of the phone but in this article, I will tackle the screen flickering issue because we have several readers that complained about it.

According to the reports, the screen of the Galaxy S8 started to flicker every few seconds. There are times when the flickering isn’t really noticeable but there are also times when it’s so bad that you would think the screen of the phone is defective. I’ve reached out to these owners to confirm if the units in question hasn’t been dropped or submerged in water for a very long time. So, after making sure it’s not due to physical and liquid damage, I was convinced that the flickering is really due to the new firmware.

Now, before anything else, if you have other issues with your phone, make sure you drop by our troubleshooting page for we have already provided solutions to hundreds of problems reported by our readers. Odds are that we may have already provided a solution to the problem you currently have so try to find issues that are similar with yours on that page and feel free to use the solutions we suggested. If they don’t work or if you need further assistance, fill up our Android issues questionnaire and hit submit to contact us.

How to fix Samsung Galaxy S8 with screen flickering issue after Oreo update

I will share with you the procedures I used in fixing some of the issues reported by our readers. While they worked with other users, there’s not guarantee they also work for you but the thing is that the following procedures are safe for your phone. I don’t suggest methods that can potentially damage your phone so you can rest assured. With all that being said, here’s what I suggest you do if your Galaxy S8 experience screen flickering problem shortly after installing the Android Oreo update…

First solution: Reboot your Galaxy S8

If this is the first time you encountered the screen flickering issue, then I suggest you try rebooting your phone first because there’s a chance that it’s just a result of a minor glitch in the firmware. Remember, glitches may happen shortly after a major firmware update as there are a lot of things that are changed in the system. It may result to performance-related issues or even some minor failure in the hardware. A reboot can fix these issues that’s why it’s important you try it first before anything else. After the reboot and the screen is still flickering, try doing the Forced Restart to further refresh your phone’s memory.

  • Press and hold the volume down and the power keys together for 10 seconds or more.

If the problem is still happening after doing this, then move on to the next solution.

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Second solution: Wipe cache partition

During firmware updates, some system caches may become obsolete while others get corrupted. While these files are temporary and small in nature, they have a great impact on the phone’s performance if the system continues to use corrupt caches. As a result, apps may crash and some hardware components may not work properly. Therefore, there’s a big possibility that the cause of the screen flickering is corrupt cache. Delete old caches so that they will be replaced with new ones and this is how you do it:

  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 several times 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.

Continue your observation after wiping the cache partition to know if the screen is still flickering and if it still does, then move on to the next solution.

Third solution: Reset all settings

We need to be thorough in our troubleshooting so that you may not have to go through a lot of hassles in fixing this problem. The next thing I suggest you do about this problem, is to reset all settings. It has the effect and benefits of a full reset but you don’t have to go through the hassle of backing up your files and data and restoring them after the reset. They will not be deleted by this method:

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

Continue observing your device after resetting all its settings. If the screen flickering still occurs after this, then you have no other choice but to reset your device.

Fourth solution: Backup your files and do the Master Reset

There are times when firmware-related issues occur and it’s very possible in this case. However, aside from ruling out the possibility of a firmware issue, we’re simply trying to clear off your personal information just before you bring the phone to the service center. So, make sure you backup all your important files and data. After the backup, disable the Factory Reset Protection by removing your Google account from your phone and then doing these steps:

  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 green 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 several times to highlight “wipe data / factory reset.
  5. Press Power button to select.
  6. Press the Volume down key until ‘Yes — delete all user data’ is highlighted.
  7. Press Power button to select and start the master reset.
  8. When the master reset is complete, “Reboot system now” is highlighted.
  9. Press the Power key to restart the device.

If everything else fails, bring your phone to the service center so that a Samsung technician can check it up for you.

I hope that this troubleshooting guide have helped you one way or another. If you have other issues you want to share with us, feel free to contact us anytime or leave a comment below.

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