New update

[Sasha-Marie]

The most recent update has alot of bugs. 

Games crashing.

Green lines appearing on videos 

Camera problem

NEEDS FIXING!!!

[ironass]

When you say most recent update, do you mean BUKG?

See... https://eu.community.samsung.com/t5/galaxy-s21-series/26-nov-21-bukg-latest-android-12-bugfix-update...

[Sasha-Marie]

BUK8
I updated my software November 23rd and since then I've had these problems.

[Sasha-Marie]

One UI 4 upgrade.

[ironass]

So, not the latest BUKG bugfix update then.

Have you tried wiping your cache partition, fixing apps and using Galaxy App Booster...

https://eu.community.samsung.com/t5/galaxy-s21-series/wipe-cache-partition-repair-apps-amp-galaxy-ap...