Not happy with android 13/one ui 5.0

[sarasphotobox]

So I use S21 plus and  after clear cache partition I feel the battery drain is bad.

And considering form 8am to now 3:43pm it would be around 75% or more

Now it's 66% I mean what on earth is that all about.

I've kept auto sync off

I've done dark mode

Turned off NFC

Turned off Bluetooth 

Sound off

No vibration

Extra dim on 

Brightness not toooo high 

I understand phones do agr but to be fair this update was bullocks 

[Federicodion]

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@sarasphotobox wrote:
So I use S21 plus and  after clear cache partition I feel the battery drain is bad.

And considering form 8am to now 3:43pm it would be around 75% or more

Now it's 66% I mean what on earth is that all about.

I've kept auto sync off

I've done dark mode

Turned off NFC

Turned off Bluetooth 

Sound off

No vibration

Extra dim on 

Brightness not toooo high 

I understand phones do agr but to be fair this update was bullocks 

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Literally the same here. Galaxy s21 and its now hotter, stutter animations, laggy and shooting down apps randomly, lots of connectivity problems and lots of app bugs. Didnt happen before. How can I go back to One UI 4? This new upgrade is a disaster and I'm now suffering my phone.

[Blessed4life]

Hi, have you tried a factory reset, then just give it a couple of weeks for it to optimise itself, just turn off the obvious things you don't need but leave on the auto sync, so the system get used to having it on whilst it optimises itself.
That's what I do & it usually sorts itself out.
Hope this helps.