yeah, I had zoom app installed which they removed after confirmation as they told me it is not allowing to run diagnostics software. I feel that since the developer option was enabled to run diagnostics it must have interfered and caused this problem...

I have the same issue after coming back from service center. I had a loose volume button on my Note 10 plus. After fixing the button, service center updated my phone to August security patch and since then I am facing same issue like yours. Cant see ...