I appreciate I'm using a different model of phone however I'm not experiencing the lag you Unfortunately are when using your camera.
Sometimes if an app is misbehaving then a good tip is to go into Settings, Apps, Camera, Storage and Clear Cache.
And to ensure there are no updates pending in the Playstore and Galaxy Store.
Also occasionally another app / theme or launcher can be having an impact on others and the best way to see if a downloaded app etc is doing this is to use Safe Mode.
Https://www.samsung.com/uk/support/mobile-devices/how-to-start-my-galaxy-device-in-safe-mode/ will help to highlight if an app or theme etc is potentially causing issues.
You can also run diagnostics via the Diagnostic Tool in your Samsung Members App and there is a tool via launching your phone app and dial in *#0*#
Daily Driver > Samsung Galaxy s²² Ultra 256Gb in Phantom Black.
The advice I offer is my own and does not represent Samsung’s position.
I'm here to help. " This is the way. "
Yep after the android 12 update my phone has completely changed. My camera lags and glitches no matter what i do & some apps have dissappeared
How are you already in August 2022