A71 screen flickering problems. - Samsung Galaxy A71 Questions & Answers

I’ve got a 2yr old Galaxy A71 with Android 13 and OneUI 5.0. The screen often flickers. Not always but once or twice a day it will flicker a lot for about 10 or 20 minutes, then go back to normal. I’ve turned the Adaptive Brightness (AB) on and off and the Eye Comfort Shield (ECS) on and off and it doesn’t make any difference. I’ve also restarted the phone multiple times and it doesn’t help. The screen still flickers.
It seems the flickering problems started soon after I updated to Android 13 or OneUI 5.0, but I can’t remember for sure.
Anyway to fix a flickering screen?
It could be a pure coincidence, but I just noticed that the screen flickering problems may be connected to having lots of apps open. I restarted the phone and now only have a few apps open, and the screen is not flickering. Could having lots of open apps cause screen flickering? Maybe too many open apps uses lots of RAM and causes screen problems? Let me know if you think this could or could not cause the flickering problems.

Hi
I'm not sure it's gonna fix this but there's an option in the developer options "Strict mode enabled". Is it disabled?

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Random problem - Screen not turning off

Hi,
Since upgrading to Tizen a couple of weeks ago, I've had a couple of occassions where the screen has stayed on and not dimmed or turned off.
I only notice it because I get the low battery warning and think it shouldn't be dead so quickly. I then watch it for a bit and notice that it doens't dim or turn off. Changing the screen timeout from 10s to something else and then back doesn't make any difference.
A reboot lets the screen timeout work as normal again.
I probably looked at the watch a few times whilst it was stuck on and just thought that it had been triggered by the movement sensor.
Anyone else have this problem?
Didn't have this problem under Android (had the watch since November last year)

**HELP**Lock button permanently locks

I have a strange problem, well a few. If I lock my phone (C6903) using the physical button I can't unlock it again. I try for about 5-10 minutes sometimes and it just wont work. If I hold it down I can feel it vibrate as if it's bringing up the power menu but the screen just stays black. Eventually it will randomly wake up then I can play around as normal. If I leave it to lock itself I can unlock every time, fist time no worries. This is what pointed me to it being a SW problem rather than a hardware problem.
I also noticed that when I do have the screen turning off in the dark, I can see that the screen is still lit up! Just it is black, not completely asleep. It's really quite bright when I have it next to the bed. Also when I am outside I can't see the screen at all really, even with the brightness turned right up.
It's really strange all these happened about the same time. I figured maybe it was a ROM problem and a fresh install of stock ROM would help. Tried it and at first most of these problems went, just the fact I still couldn't really see the screen in the sun. I tried another ROM and at first was just the same but then these problems started again.
Has anyone had any or all of these problems or got any ideas what it could be? I am left thinking now that the problem is more likely hardware related as the problems are so sporadic and happen whatever I have installed.
Any help / suggestions would be appreciated but I have the feeling I will have to just admit the phone is dogged
You say that most of the problems desapararecen to install a new ROM, it is likely that installing something extra to be the cause, I was introduced me something similar with Expoxed Notifications Module.
Try a clean installation without installing test applications to determine if the problem recurs.
Thanks, yes I guess I will try that, bit of a pain having to reinstall apps after every install and restoring messages etc so I might just put up for now.
I also have realised that the screen not turning on and the screen staying on but black happen at different times. i.e. I can now randomly turn the screen on and off no problem (don't think I have installed or deleted any apps or changed anything), but the screen stays awake when off. When I was last not able to turn the screen back on after turning off the screen actually went to sleep. Very strange

Screen sometimes turns itself off although set to never

Hi all
I got my urbane last week and everything has been great so far. I did initially have a bit of problem with the wifi and had to do a hard reset. I have turned that off now and just use Bluetooth. The bluetooth range in my house isnt much different to the wifi anyway so not a big deal. The battery lasts two days with ambient mode always enabled which I think is pretty good by smart watch standards. .
The problem I have is sometimes the screen just goes black. Tapping it wakes it up but I have it set to never sleep and its happened three times today. I know it turns off when it's been sat down untouched after 30 minutes or so but its been doing it whilst on my wrist. I'm using pujie black as my watch face so wonder if it something to do with that. Has anyone else had similar and managed to solve it?
Cheers
I am encountering the same issue since I updated to LCA44B OTA and I have found no solutions to this point. Pretty annoying since everything was working back then
Mine will only turn off after long time of not moving, seems about 30 minutes
as long as I keep doing things and moving my wrist, the screen will not turn off
the screen does this when it detects no motion for like 5 or 10 minutes, its normal.
If it's on your wrist it should be fine but if left unmoved for about 10 minutes it will turn off to black screen. This can be affected if using some "3rd" party screens from Watchmaker or Facer as some of these faces can have little "bugs" that affect the "never off" setting and can - repeat can - turn screen to black even when wearing the watch. (I have only come across this a couple of times and have reported the situation to the respective "face" designer).

Part of the screen is flickering to black and is unresponsive during it

Hello,
I have a problem which I do not understand.
I changed my screen and battery 1 month ago, everything went fine and was working flawlessly.
Now a week ago, after waking up, the screen started to have different parts of it turning to black for milliseconds. It got better when I used Advanced Kernel Tweaks to use performance profiles which solved the problem for a few hours ... But then it progressively went back within the day, even changing to default in AKT resulted in nothing good. I was on the EpicROM, I did notice that some apps were not affected at all, like, it never bugged on the Settings menu, when pulling the notification bar or when watching a Youtube Video, the second I touched the screen the black bars went off and everything went back to normal for a few secs.
Sometimes the screen is responsive during the black bars, sometimes it is not. The black bars are very special, most of them appears in the center of the screen or at the bottom and all of them are the same size (may be ~1 cm).
I uninstalled and wiped my phone to install Lineage OS but the problem is still there. However I noticed that during the installation there was no problem. I mean when I had to press the button "Start" on the screen to begin the setup, there were black bars. But during the process of setting things up, the screen was perfect (Wi-Fi registration, Google Account etc).
That is why I think it does not come from the new battery or the new screen. It may must have something to do with the software but things get out of my range here so do you have any idea how I could fix that ?
Another problem I have for a few weeks was that my browser or apps that have browsers sometime froze. (I tried Brave, Opera, Firefox, Reddit, Chrome was less buggy but it happened) Could it be linked ?
I am really out of ideas ...

OnePlus 7 pro screen flickering (kind of)

Hello everyone there, I've bought a used OnePlus 7 pro a few days ago. But I'm having an issue with it.
Whenever I turn brightness to full, screen starts becoming small and big and small and big. I've tried turning adaptive brightness on and off, removing the screen protector, and rebooting into safe mode but nothing works.
I wanna know if the problem is with software or my phone's screen is damaged?
If this problem is with the screen then how the screen recorder is able capture it?

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