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Samsung galaxy randomly lights up

Therefore, it is necessary to do the Forced Restart procedure as it can immediately address minor firmware and hardware related glitches that may lead to this kind of problem. Just press and hold the Volume Down and Power keys together for 10 to 15 seconds and the phone should reboot provided it still has enough battery to power its components and run core services and apps.

This is not a solution but rather a method you can use to know if your downloaded apps have something to do with the screen problem your phone is currently experiencing. When you start your device up in this mode, all third-party apps will be temporarily disabled leaving only the pre-installed ones to run. Safe mode is actually a diagnostic state and once the device has booted up successfully in this mode, all you have to do is observe to know if the problem still occurs and if not, then you have to find the third-party apps that are causing the problem and uninstall them.


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However, if the issue still occurs, then we might be facing a potential complex firmware issue. Assuming the problem still occurs even if the phone is in safe mode, the firmware might have some issues. One of the most common causes of performance and hardware related issues is when the phone uses corrupt system caches.

We need to delete those files so that the device will create new ones that are completely compatible with the current firmware but since we cannot individually or discriminately delete each file, we have to completely wipe off the entire cache directory. Once the phone has successfully rebooted, observe your phone again and see if the issue remained because if so, then you have no other choice but to reset your device.

The Galaxy S8’s screen is randomly turning on for some people

If you reached this point, then everything you have done may have failed. Therefore, to rule out the possibility that the problem is caused by a firmware issue, you need to bring the phone back to its original settings and you can easily do so by resetting your phone. However, you need to backup your data before doing the procedure: So, if the problem still persists after the reset, then the problem might be with the hardware.

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The Best Tech Newsletter Anywhere Join , subscribers and get a daily digest of news, geek trivia, and our feature articles. Hi, it's happening at random times. Doesn't matter if the phone is on or on lock screen. It's a s9. AndrewL Moderator. Hi Clare2. When you hear the sound, is there anything in your notification menu when you swipe from the top of the screen to the bottom?

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It may well be an application acting in the background such as your email app notifying you of recent posts in your inbox. With this in mind, as a troubleshooting step, please ensure that WiFi and Mobile Data are disabled when you place the phone on Do Not Disturb. Hi andrewL No there's nothing in the notification panel and no messages etc.

I've got my mail set to download only when I go on the app so it's not the emails. I can't turn off data when on do not disturb as I need my elderly mum to be able to contact me.


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It's only started doing this in the last few weeks. As a troubleshooting step please restart the phone in Safe Mode via the following steps. If the problem stops then this will help to determine whether the issue is stemming from a third party app: Hi Did that last night. Left it in safe mode for a few hours and it didn't happen. Put it back to normal and uninstalled some apps I've recently downloaded in case it was one of them but it still went off at 3 this morning.

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