Question Picture in Picture, Split Screen etc - Refresh Rate drops to 60Hz (EXYNOS) - Samsung Galaxy S21 Ultra

Hi there, I'd not noticed this before the Android 12 update, but refresh rate appears to drop from 120Hz to 60Hz when using Picture in Picture or Split Screen views. Can anyone else reproduce this please?
You can confirm this by going into developer mode and toggling to always display the refresh rate.

Try a factory reset if you haven't already and it was a OTA upgrade...

I'd rather see if others can reproduce this first - would have thought it's a simple enough thing to test and post your results here, thanks!

Hi SSJ100, I just tested this to confirm for you, it does drop to 60hz immediately and I cannot prompt it to 120hz until I return to full screen view

Further testing, if i have video running in the background, Amazon, netflix or YouTube it stays at 120 with windowed mode on

DS1000RR said:
Hi SSJ100, I just tested this to confirm for you, it does drop to 60hz immediately and I cannot prompt it to 120hz until I return to full screen view
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Click to collapse
Thanks for checking! Again though, I'm quite amazed (okay, maybe not quite the word hehe) at how no one has reported this issue in this forum (and at least one other "major" forum). If they have, please excuse my ignorance and I'd appreciate a link to the thread.
I can also confirm that this issue persists even after updating to the so-called bug fixing patch "BUKG".

DS1000RR said:
Further testing, if i have video running in the background, Amazon, netflix or YouTube it stays at 120 with windowed mode on
Click to expand...
Click to collapse
Interesting how bugs like this manifest sometimes huh hehe. I first noticed this issue with Google Maps when I was navigating with it and switching to another app (which automatically forces Google Maps app to become picture in picture mode). Scrolling looks quite different and jittery - it's amazing how one gets used to 120Hz!

Have you tried the tiles app developed by a user on here? It can force refresh rates very easily and just requires an adb permission.....there was a thread the other day

ssj100 said:
Scrolling looks quite different and jittery - it's amazing how one gets used to 120Hz!
Click to expand...
Click to collapse
There is some black magic going on with these 120Hz panels. 60 Hz never seemed to be a problem before these high refresh rate displays started popping up. I remember smooth as butter 60Hz phones (both iphones and android). But now when i use a 120Hz panel at a 60Hz refresh rate, it feels like something inside the phone is in it's death throes, coughing and spluttering - the stutter is jarring! But if I use my wife's OnePlus 6 (which has a fixed 60Hz screen), it doesn't feel so bad. It's definitely not as smooth as 120Hz but the 60Hz on a 60Hz panel feels smoother than 60Hz on a 120Hz panel. Is it only me or has anyone else had a similar experience?

I have the same issue as well..so pissed..using latest BUKG

I'm on Android 11, One UI 3 still, and when my phone displays split screen apps the refresh rate drops from 120 down to 60.
This must be some battery saving feature, because If I toggle performance mode (processing speed) from the drop down quick menu, the fps shoots back up to 120 in split screen.
So an easy fix if you need 120 in split screen.

Gasman said:
I'm on Android 11, One UI 3 still, and when my phone displays split screen apps the refresh rate drops from 120 down to 60.
This must be some battery saving feature, because If I toggle performance mode (processing speed) from the drop down quick menu, the fps shoots back up to 120 in split screen.
So an easy fix if you need 120 in split screen.
Click to expand...
Click to collapse
Yes, that seems to "fix" it for split screen. However, it doesn't resolve picture in picture fps drop to 60Hz.

Hmm must be an Android 12 thing. I'm sat here typing this with YouTube playing pip and the screen is holding 120fps even with my finger removed from the screen.
I did try Android 12 when the public version was released, but didn't like it, so downgraded back to the last version of 11, with a clean wipe.

Ok something odd going off, my screen seems to be stuck at 120!
Forcing it back to 60 in display options, works. Putting it back to adaptive, keeps the screen at 120. Even on the lock screen, and AOD!
I might try a reboot.

Gasman said:
Ok something odd going off, my screen seems to be stuck at 120!
Forcing it back to 60 in display options, works. Putting it back to adaptive, keeps the screen at 120. Even on the lock screen, and AOD!
I might try a reboot.
Click to expand...
Click to collapse
If you're in low ambient light, screen at low brightness, panel will be locked at 120Hz even with adaptive selected. Move to bright area or increase screen brightness and check if you are able to get to 60Hz

Gasman said:
Hmm must be an Android 12 thing. I'm sat here typing this with YouTube playing pip and the screen is holding 120fps even with my finger removed from the screen.
I did try Android 12 when the public version was released, but didn't like it, so downgraded back to the last version of 11, with a clean wipe.
Click to expand...
Click to collapse
Yes, I've only noticed this issue since Android 12 with the picture-in-picture scenario. Hopefully Samsung fixes this soon.

Gasman said:
Ok something odd going off, my screen seems to be stuck at 120!
Forcing it back to 60 in display options, works. Putting it back to adaptive, keeps the screen at 120. Even on the lock screen, and AOD!
I might try a reboot.
Click to expand...
Click to collapse
Nothing odd there - as previous poster mentioned, it's always behaved that way when the ambient lighting is low enough. And yes, has always been that way for AOD too. I never understood why 120Hz is required particularly for that!

I think that after android 12, my unlock animation is rendered at 60hz because it is sometimes sluggish. Did a full factory reset and i have the last update. Do you guys experience the same? other than that the phone is perfectly smooth

Still the same issue with BULC December update. Somewhat disappointing, as you'd think this should be quite an easy fix.

Still same issue after BULG update with PIP. As a previous person has noted, split-screen mode appears to be auto-throttled to 60Hz by default, and the only way to change this so it remains at 120Hz is by toggling "High" or "Maximum" "Processing speed".

Related

Question True AMOLED display ? Is my device defective ?

Hi. I don't have any way to show this but my unit has what I think is backlight bleed when displaying a fully black (#000000) picture.
This bleeding is somehow especially visible at 35% (don't ask me why) and 100% brightness.
Now, it's only really visible when in the dark and when my eyes are used to it so it's not a big deal for daily use. However, this screen is supposed to be AMOLED which presumably works on the same principle of OLED displays.
My OnePlus 3T, with the same picture of a plain black background and with the brightness turned to the max shows no sign of any light whatsoever, as any true OLED display should.
My Zenfone 8 however has a weird pattern of tiny scattered dots and a few vertical lines you can barely make out all around the display and especially along the left edge of the display.
Can anyone with a Zenfone 8 check if they observe the same effect ? Like I said, it's only visible when your eyes are well accustomed to obscurity. I tried repeating the experiment yesterday when going to sleep and didn't see anything at first but I woke up later that night and sure enough, the same pattern was visible again.
In case you're doubting the file I used to test it out, here it is. A fully black pic. Of course you have to watch it in fullscreen so that no UI element can pollute your vision.
Any insight on what might be happening would be greatly appreciated.
Used your file and checked it in a pitch black place. Can't see nothing on full brightness. I still had the home-recent apps slider on the bottom but covered it with my finger. I couldn't tell where the screen is at all.
Maybe yours has some defect but if you cannot see it without hours of eyes adjustment than I think you are exaggerating quite a bit.
I've been using the LG V30 which also has OLED but it had a grey lighting always. Don't know why. This screen is much much better.
Kemez said:
Maybe yours has some defect but if you cannot see it without hours of eyes adjustment than I think you are exaggerating quite a bit.
Click to expand...
Click to collapse
It's not like I was purposely trying to find flaws in the display. I was looking for a wallpaper while in bed and as I was zooming in a picture, I noticed as if what I initially thought were color variations in the image remained static on the screen. It wasn't due to a dirty screen. In doubt, I tested with the black picture and cranked the brightness to emphasize the issue and it was clear something was up.
So even if this issue can't be seen during the day, it's still something that can be seen in normal use when using the phone in the dark.
I just went from the my PC to a dark room and tried to reproduce it with brightness at 35% and I could see it in a matter of seconds.
One of the key factors that made me buy this phone in the first place is the AMOLED display. If it's actually defective, I might as well get it replaced. I would just like to know if it's worth the hassle or if every unit has that defect maybe due to something in the manufacturing process.
Can't see anything like that on mine. Totally black everywhere. Try exchanging the phone. Or just give it back and get another so they will not try to repair it.
Thank you very much for your feedback.
The only way the pixels can light is if they have current. Otherwise they are black as night.
Bad firmware or defective hardware.
Try clearing the system cache.
My display has that too, but only at 60 and 120 hz. At 90 Hz, the Dysplay is without lighting, so black as it should.
blackhawk said:
Try clearing the system cache.
Click to expand...
Click to collapse
I don't have the option in the bootloader to reset the system cache, only "wipe data/factory reset".
I selected it thinking it would let me choose what to wipe but then it warned me about permanently deleting everything so I nope out of there.
Any other way I can do that ?
Mr.GSpecial said:
My display has that too, but only at 60 and 120 hz. At 90 Hz, the Dysplay is without lighting, so black as it should.
Click to expand...
Click to collapse
Uh, interesting. I'll give this a try as well.
Nekrozys said:
I don't have the option in the bootloader to reset the system cache, only "wipe data/factory reset".
I selected it thinking it would let me choose what to wipe but then it warned me about permanently deleting everything so I nope out of there.
Any other way I can do that ?
Click to expand...
Click to collapse
It's in Settings somewhere under storage or memory.
On Samsung's it's on the boot menu.
Lol, a factory reset will definitely clear it
Mr.GSpecial said:
My display has that too, but only at 60 and 120 hz. At 90 Hz, the Dysplay is without lighting, so black as it should.
Click to expand...
Click to collapse
That's it! I got the same behavior. Perfect black at 90hz, grey goo at 60 and 120. Since I'm not the only one, I suppose this is "normal". I guess that must be some sort of compromise they had to make for the display and they hoped people wouldn't notice.
It's a shame but at least I'm relieved knowing the screen works well at 90Hz. Since the 120Hz was not one of the key features I was looking for, this doesn't feel too bad a compromise to deal with.
Thank you everyone for your time and replies.
Interesting, I hope this is a software issue that can be fixed with an update...
Same.. When viewing black wallpaper @60/120 hz, it got scattered gray all over the place with a vertical line in the middle. Noticeable if you're in a dark room. Glad i'm not the only one
Alright, so I was able to capture a long exposure photo of the phone on a black screen. The issue appears on 60 and 120Hz like mentionned above. I found that it is more apparent on the 120Hz mode than 60Hz. 90Hz is flawless. The effect is kind of exagerrated, but it was the only way to visibly capture it.
Adaoh said:
Alright, so I was able to capture a long exposure photo of the phone on a black screen. The issue appears on 60 and 120Hz like mentionned above. I found that it is more apparent on the 120Hz mode than 60Hz. 90Hz is flawless. The effect is kind of exagerrated, but it was the only way to visibly capture it.View attachment 5350315
Click to expand...
Click to collapse
Also during restart, the "Zenfone" loading screen appears like that in dark room.
Same behavior here, 120 and 60Hz are not truly black. 90Hz is.
Quick reply to add here that for those that use the phone at 60Hz, you can enable DC Dimming, that solved the issue for my device. 120Hz still needs to be figured out though...
Adaoh said:
Quick reply to add here that for those that use the phone at 60Hz, you can enable DC Dimming, that solved the issue for my device. 120Hz still needs to be figured out though...
Click to expand...
Click to collapse
Interesting.
DC dimming can reportedly have its own drawbacks as well like skewing color rendering.
What is DC Dimming & Why it's Important for AMOLED Smartphones? - Gizmochina
OLED panels have a lot of advantages. They have better color accuracy and contrasts (including better blacks) and are thinner and brighter than traditional LCD panels. So, it’s no surprise that smartphone manufacturers are shifting to OLED panels for their smartphones. Even the mid-range ones...
www.gizmochina.com
after further investigation and trying to replicate on several ZF8's, it seems that this is a normal behavior. The questions is: is it hardware or software?

Question Problems with touch response in 144hz mode

When I set the display to 144hz mode it feels like the touch sensor isn't catching up to my touches. I often have to repeat my actions 2 or 3 times before what I want happens and the experience becomes sluggish in general.
This doesn't happen in the "auto" mode that tops out at 120hz. But the problem with this mode is that depending on the screen brightness, if I scroll in some apps for a few seconds (for example chrome, firefox and facebook), the refresh rate goes down to 60hz, which is really annoying. This happens when the brightness is above 70%. So when it's at 71% or higher, the refresh rate goes down to 60hz when scrolling. On 70% or lower it stays at 120hz. This makes this mode useless for me as I'm in web browsers most of the time.
Any fixes for these issues? Else I'll sadly have to return the phone.
I bought this phone because of the 144hz display and I can't even use it.
I've noticed that also unfortunately. I thought it was my screen protector fault but it's seem at auto to work without problem. I hope we will receive a future update to resolve this problem.
Geo.B said:
I've noticed that also unfortunately. I thought it was my screen protector fault but it's seem at auto to work without problem. I hope we will receive a future update to resolve this problem.
Click to expand...
Click to collapse
Edge 20 Pro here, same thing. Also thought 'bout low quality of screen protector. Hope that update fixes it.
Got mine 5 days ago, I'm not using screen protector. No issues with the touch, screen is set to 144Hz, not on auto. And it's quite more sensible than my previous Galaxy S20.
Maybe it's a hardware problem, as mine doesn't have any of the issues described. It's 144hz in all apps, no matter the brightness, and touch response is great.
ione2380 said:
Maybe it's a hardware problem, as mine doesn't have any of the issues described. It's 144hz in all apps, no matter the brightness, and touch response is great.
Click to expand...
Click to collapse
For me it really depends on how I use the phone. In 144Hz I need to leave my finger on the screen for a fraction of a second longer and it works just fine, but since I type quickly, I can't really use it like that. Are you a quick typer? Or are you more deliberate with your touches? If it is a hardware problem, I don't see why Lenovo wouldn't just add a setting that lets you adjust the sensitivity much like how Samsung does so that it's a universal fix for everyone.
Username: Required said:
Are you a quick typer?
Click to expand...
Click to collapse
Yes, I am. No problems with typing.

Question Refresh rate drops when edge lighting comes on

Hello since first build on one UI 4.0 im facing refresh rate / screen strutter when edge lighting comes on.
Have done factory reset when receiving the first build of one UI 4.0
Anyone can confirm if another factory reset is needed? As restoring my games and apps take quite alot of time and data.
Current build is the latest BULC
Exynos dual sim model
Hi, I've sometimes noticed that too, although not 100% sure if it's simply related to this:
Picture in Picture, Split Screen etc - Refresh Rate drops to 60Hz (EXYNOS)
Hi there, I'd not noticed this before the Android 12 update, but refresh rate appears to drop from 120Hz to 60Hz when using Picture in Picture or Split Screen views. Can anyone else reproduce this please? You can confirm this by going into...
forum.xda-developers.com
Can you please test that scenario too? Thanks.
There are a lot of moments throughout a lot of applications when adaptive refresh rate just decides that it's the moment to use 60hz. The one that annoys me the most is the unlock animation.

Question Display hue flickering

I don't really know how to explain or describe this problem I am having. But while I'm staring at my screen for example in the settings menu I can see the color or the background change from one color to another and it keeps going back and forward. I tried to get screen recordings and screenshots but it does not get captured during screen recordings even tho it's happening while recording. Has anyone else experienced this problem?
Edit: I think it has something to do with the refresh rate going from 60 to 120. I noticed this because I have my refresh rate monitor on the status bar
Adaptive brightness?
adamlee2012 said:
This is happening to me with Reddit, while I'm scrolling it's fine but if I stop scrolling the screen colour temperature changes drastically. Since the June update.
Click to expand...
Click to collapse
So I noticed it only happens when the refresh rate goes down to 48hz. I use Galaxy max Hz app to force 48hz when its just idling. When I set it to 60hz it's fine
orlans21 said:
So I noticed it only happens when the refresh rate goes down to 48hz. I use Galaxy max Hz app to force 48hz when its just idling. When I set it to 60hz it's fine
Click to expand...
Click to collapse
Yes, i remove the app because of this issue
adamlee2012 said:
This is happening to me with Reddit, while I'm scrolling it's fine but if I stop scrolling the screen colour temperature changes drastically. Since the June update.
Click to expand...
Click to collapse
Reddit - me too

Question Refresh Rate stuck at 120hz (battery drain)

Pretty sure, my oneplus 10 pro is stuck at 120hz the whole time which drains A LOT of battery. BUT, isn't this phone meant to be LTPO 2.0 technology which has variable refresh rate as low as 1hz. I am so confused why it doesn't drop to 1hz. CAN SOMEONE PLEASE HELP . I tried those stupid apps like smart hertz and they are useless, shouldn't the phone itself drop to 1hz, like bruh
regrestbuyingOP10pro said:
Pretty sure, my oneplus 10 pro is stuck at 120hz the whole time which drains A LOT of battery. BUT, isn't this phone meant to be LTPO 2.0 technology which has variable refresh rate as low as 1hz. I am so confused why it doesn't drop to 1hz. CAN SOMEONE PLEASE HELP . I tried those stupid apps like smart hertz and they are useless, shouldn't the phone itself drop to 1hz, like bruh
Click to expand...
Click to collapse
Hi, in the developper options settings you can toggle on a settings that show you the live framerate of the screen. You will see it drops at 1hz when nothing is happening on the screen. Warning : it drops only to 10hz when brightness is at middle, and stay at 120hz all time at mid brightness
Hope it helps you
Edit : i tried and mine is also stuck at 120hz or 60hz but never dropping below
It was working few months ago
Working fine here
Screen Recorder Doesn't Support 120fps Record
It's stuck on 120hz on my side on lower brightness levels.
On the Standard refresh rate setting, it's altering between 60hz & 30hz on lower brightness levels.
@regrestbuyingOP10pro are you in quad HD + ? If so try to go back at full HD +, then reboot
On my side variable refresh rate worked again after that, but as soon as I go for quad HD it brake it
Still great battery life with quad HD tho
Edit : tried it again and does not worked this time. I really dont know what's causing that, maybe with debloat I disabled an app nedded for that
Have you used the magisk module, because some time ago, because of some modules, the screen can only switch between 120 and 60hz
ues_t said:
Have you used the magisk module, because some time ago, because of some modules, the screen can only switch between 120 and 60hz
Click to expand...
Click to collapse
Interesting, indeed I have some Magisk modules and Lsposed modules. I disabled them all but did not change... Still stuck at 120hz and dropping only to 60 and only when watching a vidéo or with keyboard openend, just as you described. I will restore some disabled system app to see if there is a link
fozzy056 said:
Interesting, indeed I have some Magisk modules and Lsposed modules. I disabled them all but did not change... Still stuck at 120hz and dropping only to 60 and only when watching a vidéo or with keyboard openend, just as you described. I will restore some disabled system app to see if there is a link
Click to expand...
Click to collapse
You can try to remove root to determine the problem
ues_t said:
You can try to remove root to determine the problem
Click to expand...
Click to collapse
So i removed root completely, i restored ALL the system apps that i disabled long time ago to debloat the phone, and removed some apps that can changes system settings such as Naptime, 3C toolbox, DarkQ
Rebooted a couple of times and this damn phone is still stuck at 120Hz
I will give up there, except if you have other ideas to test, but i'm too lazy to do a factory reset to see if a ****ter user app is causing this...
Someone have his phone that is dropping fine to 10hz or 1hz with OOS 13 C22, C25 or C26 ?
To know if it is not a system issue of these builds, please tell me
I have never rooted my phone. Refresh rate is working fine for me on C26
Did you try smartherz. Apk
Cengiz67 said:
Did you try smartherz. Apk
Click to expand...
Click to collapse
Yep, I can lock some app that were 60hz to 120hz like snapchat, and lock some apps to 60hz
But it don't fix my issue : if I stop scrolling to read something, my screen will never drop hz, and stay still at 120 or 60 depending on how I set it

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