Samsung galaxy s20 plus camera

[Galaxy S20 Series]

Camera setting option is not working. When I press the setting option, it disappear immediately. 

[Bigtasty65]

Have you tried restarting your phone?

[Galaxy S20 Series]

Yes. Restarted many times. 

[Bigtasty65]

Try clearing the cache and data of the camera app.
Settings>Apps>Camera>Storage and then clear cache and data.

[Galaxy S20 Series]

Sir

I have done this, as well as removing unnecessary apps. At the moment i have very basic apps in my phone.