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Original topic:

Since Feb Update BTU S21 Ultra less smooth

(Topic created on: 08-02-2021 10:45 PM)
mancuk29
Navigator
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Galaxy S21 Series
Can anyone help 

Today I updated my s21 ultra and since the update I've noticed it doesn't seem as smooth 
I have cleared the ram in the device care and whilst it seems to speed up it then goes a sluggish again 

I haven't installed any new apps since the update and i have the 512gb version so have 16gb of ram so shouldn't be getting any slow downs 

Is anyone else suffering from this since the update?? 

Is there anything I can do - does the s21 ultra have rhe clear cache when restarting phone and using all keys to get access to the menu system before boot 

Any help will be gratefully received thanks 
6 REPLIES 6
Gman123z
Explorer
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Galaxy S21 Series
I have the base S21 and have not noticed any stuttering since the update. However, the phone is consistently warm when idling and the battery life has now taken a hit and it was brilliant before. I've even cleared the cache partition and it didn't seem to help with the heat... (btw to do this you now need to have the phone plugged into a laptop when off and press and hold the volume up and power button and let go when the samsung logo shows)
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tinglish
Helping Hand
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Galaxy S21 Series
hi

have you tried clearing the cache partition.

1.Firstly, swipe down to open Upper Bar and tap on the Power icon.
2.Then hold down Volume Up and Power button until you see SAMSUNG Galaxy logo on the screen.
3.Now go to Wipe cache partition. ...
In the next step select Yes option by using the same keys as before.
4.At last, choose Reboot system now with the Power key.
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Bt32
Navigator
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Galaxy S21 Series
Yes. I suspect that Samsung have altered the "touch boost" on the kernel to save battery and heat. This would have the effect of causing slight stutter on scroll and in general. this is what I'm seeing after the new update.There's nothing we can do about it.
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Joeeye
Hotshot
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Galaxy S21 Series
So far see no performance reduction or change. I have noticed some games are better supported now though.
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Adamksc
Voyager
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Galaxy S21 Series
Best way is Flash software to previous AUAB
-----------------------------------------------------------‐----------------------------------SAMSUNG S21 SM-G991B/DS
Samsung One UI 3.1 / Android 11 CSC-BTU
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Ovidiullll
Apprentice
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Galaxy S21 Series
I have the s21 ultra 512 and have the same problem, i can not play my favorite game on it because it's sluggish and it sticks. I have done everything, even factory reset but still the same. I don't know if it is a hardware or software problem. I noticed is a bit better if you turn off the animations.
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