S20 Ultra One UI 4 Major Issues

[Ando244]

Hey all I've recently updated my phone to G988BXXSCEUL7 Android 12 and it has basically bricked my phone.

- Subsections inside settings freeze and crash e.g. I don't have Wifi as my connections tab will not open

-Constant lag

-Phone Randomly freezing and locking up

- Horrible Battery life

Has anyone found a way to fix this? I have tried to revert to Android 11 although when I get to bootloader my screen freezes on "entering fastboot mode..."

Thanks

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[SPUDWOLF]

Would recommend a factory reset as I had this issue but ever since a factory reset my phone has been way better.

Or other option check samsung store to make sure your updates are up to date as that ,as cause issues