I dont know there is some error in settings menu
I share a screenshot
Till now I'm not getting this update via ota.
I'm still not getting the oxygen os 11 update
It might be your internet doesn't work.
First save file to your local storage and then upload it to your online drive
Try to clear cache memory of camera app then try if the problem continue then backup your data and reset your phone and install latest update this...
Clear cache memory of app
Go to setting and turn on absolute volume
It can be recover using recovery tools
Try with different headphones it might be not working properly try with some other headsets or bluetooth devices
Reset nd try