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Original topic:

s21 ultra adaptive refresh rate not working

(Topic created on: 20-03-2021 02:33 AM)
TEDK119
Apprentice
Options
Galaxy S21 Series
Via the developer options refresh rate counter, I can see that my phone right now is stuck at a constant 120hz on the adaptive refresh rate mode. It used to appropriately switch between 120, 60, and 48 depending on the content and if the display was static but from now it just seems to be frozen at 120hz, even on the Aod. 
10 REPLIES 10
NadeemFaheem
Journeyman
Options
Galaxy S21 Series
i feel the same ... and getting alot of glitches in the phone .. and battery timing is getting worsten
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BandOfBrothers
Superuser II
Superuser II
Options
Galaxy S21 Series

@TEDK119 

 

Does it start to switch up after a soft reboot by turning your phone Off and On  ?


Current Phone > Samsung Z Fold³ 5G.

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smiley
Helping Hand
Options
Galaxy S21 Series
just did a quick check... mine with AUBB version of software is switching dynamically between 120 60 and 48 depending on usage and video playback.

Smiley
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SAMSUNG S21 ULTRA 512GB SM-G998B/DS
Samsung One UI 3.1 / Android 11.

Samsung Watch 3 45mm SM-R840 in Black
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SaiChaotic
Pathfinder
Options
Galaxy S21 Series

The phone automatically goes back to 120hz every time you touch your screen

Samsung Galaxy S21 Ultra
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Archer_Legend
Voyager
Options
Galaxy S21 Series

As anandtech showed here: https://www.anandtech.com/show/16469/investigating-the-galaxy-s21-ultra-display

the "vrr" panels on the s21 and the note 20 ultra are vrr only at high ambient brightness, below that they get onto the fixed framerate level

Archer
tarz31
Apprentice
Options
Galaxy S21 Series

Donno if this will help .

Had faced the exact same issue ,turns out right now if brightness is very low the refresh rate is stuck at 120hz , when I increase the brightness a bit the dynamic switch of refresh rate works again

Hamd
First Poster
Options
Galaxy S21 Series

Me 2 

Samsung fix it pls

I bought it yesterday and it works bearley 4 hours 

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Hamd
First Poster
Options
Galaxy S21 Series

Fix it samsung 

I bought it yesterday and it barely works 4 hours 

It always run  at 120hz don't why even when I'm not taching it 

I run latest software 

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s21 ultr
First Poster
Options
Galaxy S21 Series

 

Hello! any update on this thread? 

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