Please try this......
Clear your System File Cache via the instructions in the Samsung Link. You may need to hook upto a computer or insert your headphones to get to the recovery menu. https://www.samsung.com/uk/support/mobile-devices/how-do-i-clear-the-cache-on-my-device/
Daily Driver > Samsung Galaxy s²² Ultra 256Gb.
Samsung Gear s³ Frontier Watch.
Samsung Galaxy Watch⁴ Classic.
The advice I offer is my own and does not represent Samsung’s position.
I have no affiliation with Samsung.
@Alex-Arte: To further troubleshoot the issue, please head to Settings > Display > Motion Smoothness, and make sure that this is set to Adaptive. Now, navigate to Settings > Battery and Device Care > Optimise Now > Memory > Clean Now.
I also have the exact same issue. On Samsung s20. Cleared cache and didn't fix anything. First thing I checked after the update was whether the screen was in 120hz or not. So annoying to have a high refresh rate screen and the notification bar pulling down is super slow. Would love a fix for this. Hopefully soon.
Same here, pretty dissapointed with Samsung for releasing it this glitchy. There are numerous posts regarding the ui 4.0 android 12 update causing lagging, reset phone etc.
I am also expereincing exactly the same, really annoying go to use the Internet and end up with the Samsung logo, a black screen followed by telling me to enter my pin as the phone has being restarted.
Pointless making the record on camera instant when everything crashes before being able to open the camera.