Samsung s21 5g oneui 4.0 android 12

[WBENSTOCK]

It's been a couple of weeks since I installed oneui 4.0 android 12....

and the following have occurred 

*poor battery life compared to oneui 3.1 android 11

*whatsapp unable to send videos compared to oneui 3.1 android 11

*general performance poor compared to oneui 3.1 android 11

*gallery app buggy compared to oneui 3.1 android 11

*overall system buggy compared to oneui 3.1 android 11

Samsung need to release a fix for the UK Samsung s21 5g ect 

poor update and poor overall quality control management 

[chrismattamy]

Much the same issues that I am having, I have also noticed that Android Auto doesn't always connect to my car and I have to reboot the phone for it to work.

[moo1w]

Pictures not normal

[Goldrunner]

I have a Samsung 21 and I cannot connect to my tv also a Samsung. Smart things is just not working to help.on that app there so many complaints.