I have been facing issue with connecting my buds 3 pro immediatelt after the latest one ui 8.5 updates. Each connects and disconnects individually automatically.The problem started immediately after i updated to one ui 8.5. My Buds 3 pro Firmware is ...

My galaxy S20 plus is still running on one ui 4.0 beta program, didn't get an official update. When I restart my phone, the pop message of beta program still appears.How do i upgrade from one ui 4.0 beta program to the official software?