Hello Friends,I recently upgraded my A52s 5g phone to one ui 6.0, and it has degraded the overall performance of smartphone.It generally lags so much and smoothness is not there..I also tried factory reset, but still no improvement..It acts like 4gb ...

Voicemail counting notification is stuck on my status bar notification is not going away.I have attached screenshot, please help me to get rid of annoying voicemail notification.