S8 auto brightness issue - Samsung Galaxy S8 Questions and Answers

Hi, two days ago I did an update to AQG5, since that, I have issue with auto dimming screen. When I get into light conditions, my screen gets quickly very bright, but then when I get into dark room, it's stays bright, or dimm very slowly and takes about 1 min to be at right settings. Is anyone facing the same issue? Before update everything was fine and quick.
Sent from my SM-G950F using Tapatalk

Its a know issue in the last update.

I seem to have the same problem. Where can I read that its a known issue of this firmware? thanks.

I tested my US Unlocked Model G950U1 with the firmware update that came out yesterday, and it does not have the Auto brightness dimming bug. So it must be only on certain S8 models with their particular firmware.https://forum.xda-developers.com/galaxy-s8/help/software-updateaqg2-unlocked-s8-t3648073

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[Q] Kitkat 4.4.2 breaks many screen features need Help

Hi guys,
I have upgraded my n9005 to KK for a while now. And it seems that with KK 4.4.2 randomly break my auto brightness from time to time. This issue occurs the same time when an incall screenoff stop working.
To begin with, after a while of usage the auto brightness feature breaks where it did not adjust automatically. I got a very dim brightness level eventhough it's a night time. Also the auto brightness level doesn't work as well. But when I turned this feature off the brightness slider works again. Now while this is happening and I'm on the call my screen won't turn off automatically during the call or when I have finished my call the screen wont turn on. So for both issues I have to manually activate the screen via Home/power button. Moreover, I have notcied that while this is happening when I entered Camera app, the screen will be fixed on the landscape mode only and there is no way I can make portrait back again.
To be even more surprise, these issues will be gone and come back from time to time without restarting. However, upon restarting everything works fine for a while.
What I have tried to solve this issue:
- Reflash stock firmware (official version of my country)
- Clear dalvik
- Flash stock firmware (latest version from DBT)
Still I'm unable to solve these issues. I'm wondering that have any of you guys are facing these issues as well? I have searched and it seems that I'm only one having these problems. I just want to know whether this is only software or hardware related
Thanks
SoKoOLz said:
Hi guys,
I have upgraded my n9005 to KK for a while now. And it seems that with KK 4.4.2 randomly break my auto brightness from time to time. This issue occurs the same time when an incall screenoff stop working.
To begin with, after a while of usage the auto brightness feature breaks where it did not adjust automatically. I got a very dim brightness level eventhough it's a night time. Also the auto brightness level doesn't work as well. But when I turned this feature off the brightness slider works again. Now while this is happening and I'm on the call my screen won't turn off automatically during the call or when I have finished my call the screen wont turn on. So for both issues I have to manually activate the screen via Home/power button. Moreover, I have notcied that while this is happening when I entered Camera app, the screen will be fixed on the landscape mode only and there is no way I can make portrait back again.
To be even more surprise, these issues will be gone and come back from time to time without restarting. However, upon restarting everything works fine for a while.
What I have tried to solve this issue:
- Reflash stock firmware (official version of my country)
- Clear dalvik
- Flash stock firmware (latest version from DBT)
Still I'm unable to solve these issues. I'm wondering that have any of you guys are facing these issues as well? I have searched and it seems that I'm only one having these problems. I just want to know whether this is only software or hardware related
Thanks
Click to expand...
Click to collapse
Kinda noticed this while I was briefly on kk. If you're on AT&T keep in mind that it was not the official release, and bugs are present.
Sent from my SAMSUNG-SM-N900A using xda app-developers app
sireniankyle said:
Kinda noticed this while I was briefly on kk. If you're on AT&T keep in mind that it was not the official release, and bugs are present.
Sent from my SAMSUNG-SM-N900A using xda app-developers app
Click to expand...
Click to collapse
Thanks for letting me know that this is common for KK on N9005. LOL I thought it was HW related issue though

Always on display no longer moves around

From the box, the always on display (AOD) shifted around every minute or so to prevent burn in.
Two days ago I installed the T-Mobile update for my s7 edge. Last night, I was trying out my new wireless charger when I noticed the AOD no longer moves around. I tried charging directly, rebooting, powering off, changing themes/styles to see if it would start shifting around.
Did the update cause this change? Is anybody experiencing the same thing? Is this a bug or intentional (didn't see anything in patch notes). Thank for any input.
I love the AOD but now super paranoid about burn in.
Have you tried turning AOD off, waiting a bit, and turning it back on? Maybe reboot while it's off, then turn it back on.
Yeah, reports circulating that the T-Mobile update is causing the AOD to remain stationary. If you're on T-Mobile, definitely turn off AOD until they release a fix.
Yea I've tried disabling AOD and rebooting but it's still stationary. I went ahead and disabled it entirely and hoping a fix will be released soon. Thanks all.
Damn, disabled mine until it's fixed. Didn't even notice, thanks.
Sent Via My Samsung S7 Edge
Is it dimmed more like the night clock mode? I was thinking maybe they did that and figured it's not a problem any more, but just guessing. I have Verizon version and I jist use the night clock mode all time as the regular clock seems too bright.
hp79 said:
Is it dimmed more like the night clock mode? I was thinking maybe they did that and figured it's not a problem any more, but just guessing. I have Verizon version and I jist use the night clock mode all time as the regular clock seems too bright.
Click to expand...
Click to collapse
The brightness of the AOD is still determined by ambient lighting. The only time the AOD moves to a different position now is when I power up the screen then lock it. If I don't power up the screen, it will stay in that same position with auto brightness in effect.
DNx714 said:
The brightness of the AOD is still determined by ambient lighting. The only time the AOD moves to a different position now is when I power up the screen then lock it. If I don't power up the screen, it will stay in that same position with auto brightness in effect.
Click to expand...
Click to collapse
Yeah, definitely must be a bug then.
I'm annoyed of the Night Clock where it shows the time of an alarm that's set out few days out. I now disabled all alarms so I don't see that. lol.
Also, the stupid + sign on the icon groups in TouchWiz is really awkward and wastes so much space. They didn't have this in Galaxy S6.
Had this issue on a Fresh install (Not present on the Same Version previously (I rolled back after a upgrade)
My default was stuck in the middle and did not move, I went in and change the clock style to the round clock and hands, and mine is moving around the screen as normal

Auto Brightness issues

I have the Galaxy S8+ on Sprint as well as my gf. We are on the latest update on Sprint and the auto brightness on both phones doesn't work anymore. Does anyone else have this issue?
yes its a bug...last update not fix it completely
Always found that auto brightness was a battery suck. I've never had problems with setting it to 50% and being able to see it while indoors or out. Checking your phone at 3am with 50%, however, might blind you though.
I was having trouble since the update a couple of days ago. I just found a link that walked me through calibrating the sensors again, which seems to have done the trick. I'll keep an eye on it and update if there are any changes, but hopefully that takes care of it for you too! PM me if you'd like the link, as I am unable to post it because I have not been active enough on XDA.
This could help
https://recomhub.com/blog/galaxy-s8-and-galaxy-s8-plus-how-to-calibrate-auto-brightness/
Sorta.... Not really.... No
This partially..... No, with this, it's all or nothing. I've tried this in a pitch black room to set the low light. When I flip the might on, set it to maximum and switch auto brightness on, everything appears fine. When I flip the might off again thing into complete darkness, the auto brightness does not return to the lowest setting. It stops at approximately 15-20%.
Thanks for the resource, but a different calibration method must be used to restore true accuracy. There was absolutely nothing wrong with it before, but leave it to Samsung to mess with something in good working order and which no one asked to be "fixed."

Auto brightness problem

Hi guys, I'm having this problem for about 4 months, every time I turn on the auto brightness it goes to max, even when is super dark in my room, it started after I first unlocked the bootloader, only after I done that, the problem appeard.
I tried to lock the bootloader to see if doing that would revert de situation, but no success!
I've tried multiple costum rom's, I even went back to miui 10, but nothing would revert the situation!
Any ideas that could solve this problem?
if on miui then use code to get to service menu and test sensors
yaro666 said:
if on miui then use code to get to service menu and test sensors
Click to expand...
Click to collapse
I've done that, the sensor seems to work fine, with no light it stays on 0 and when I turn on the light it goes to the max, but on the miui it's always on the max brightness, even if I put it on minimum manually with auto brightness on, it still shoots to maximum brightness

S10+ Yellowish Tint Screen

Phone: S10+
Country: Malaysia (XME)
Android Version: 10
Build: G975FXXS9DTK9
Security Patch Level: 2020-12-01
Issue: Annoying random yellowish tint on screen
Current settings:
- Blue light filter = Off. No schedule set
- Dark mode = Off
- Adaptive Brightness = On
- Screen mode = Vivid
- White Balance = Middle/Center
- RGB = Highest (to the right)
- Screen resolution = FHD+
- Visibility enhancements = All in factory defaults (never touch those settings)
Action taken:
- Downloaded Google Play Book and turn off Night Mode/Light. In fact was not turned on at all. I turned it on and then turned it off
- Adjusting all the settings mentioned above (as suggested from Google search)
- Removed screen protector
- Factory reset the phone early this month
- Get help using Samsung Members app. Reply given: Take the phone to authorized Samsung Service Center to check
My Findings/Suspecting:
Issue started in early Nov. 2020 and still happening until today, even after the above actions taken
The tint may go away when I turned off and on the screen. But it may turned yellowish right after I turned the screen on. Or after a while using the phone
Seems like it happens after Nov. update. I have been using the phone for 2 years and this is the first time this issue happens. Not sure if related to firmware update. Already updated to latest Dec. update
Usually happens in the evening until morning. Around 5pm - 7.30am. Seems like related to sunset/sunrise. Use the phone after those time, never has the issue
Usually happens when view photo, watch short video, eg on the online shopping app, but not limited to these
I will try to take a video of the issue and upload here.
Anyone has the same issue?
angvkiat said:
Phone: S10+
Country: Malaysia (XME)
Android Version: 10
Build: G975FXXS9DTK9
Security Patch Level: 2020-12-01
Issue: Annoying random yellowish tint on screen
Current settings:
- Blue light filter = Off. No schedule set
- Dark mode = Off
- Adaptive Brightness = On
- Screen mode = Vivid
- White Balance = Middle/Center
- RGB = Highest (to the right)
- Screen resolution = FHD+
- Visibility enhancements = All in factory defaults (never touch those settings)
Action taken:
- Downloaded Google Play Book and turn off Night Mode/Light. In fact was not turned on at all. I turned it on and then turned it off
- Adjusting all the settings mentioned above (as suggested from Google search)
- Removed screen protector
- Factory reset the phone early this month
- Get help using Samsung Members app. Reply given: Take the phone to authorized Samsung Service Center to check
My Findings/Suspecting:
Issue started in early Nov. 2020 and still happening until today, even after the above actions taken
The tint may go away when I turned off and on the screen. But it may turned yellowish right after I turned the screen on. Or after a while using the phone
Seems like it happens after Nov. update. I have been using the phone for 2 years and this is the first time this issue happens. Not sure if related to firmware update. Already updated to latest Dec. update
Usually happens in the evening until morning. Around 5pm - 7.30am. Seems like related to sunset/sunrise. Use the phone after those time, never has the issue
Usually happens when view photo, watch short video, eg on the online shopping app, but not limited to these
I will try to take a video of the issue and upload here.
Anyone has the same issue?
Click to expand...
Click to collapse
Hi Mate
Same issue , to me is more like a green tint , is a known issue but with no solution yet , for non rooted devices , there seems to be some fixes with modified kernels , it started with the 120hz screens (S20) some sort of gamma saturation error and some how it end up with the S10 and S9 , it is worst in dark ambient , Hight brightness settings.
I reduced it a little by changing the screen mode to vivid and then playing in the advance mode with the RGB settings
Also worst is you have very dark themes
I've read about the green tint issue. I hope my yellow tint is the same issue that can be fixed with a firmware update.
During the last 2 days, I've tried to use my phone for a longer period, 1-2 hours, during the day, and the yellow tint does happen but it is not as frequent as in the evening or night. I'm still keeping my finger crossed that this is not hardware issue.
angvkiat said:
I've read about the green tint issue. I hope my yellow tint is the same issue that can be fixed with a firmware update.
During the last 2 days, I've tried to use my phone for a longer period, 1-2 hours, during the day, and the yellow tint does happen but it is not as frequent as in the evening or night. I'm still keeping my finger crossed that this is not hardware issue.
Click to expand...
Click to collapse
Hi
I think is a software issue , in my case i have a pure black wallpaper and it looks perfect so i am sure is not a hardware issue , i only notice the green tint effect in the apps screen , in the settings screen or in the pin unlock screen, I really think is an software issue , I just hope they fix it soon

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