Yes, thats my guess, that it is disabled properly for usb-c, but for Bluetooth it simply stops at the safe db level and not having the same volume scale as usb-c.
Thanks! running on MI6 , upgraded from 10.3... everything working smooth, no issues at all.
camera works great.
Notice tho - I installed EU 10.3 on clean phone with full format and wipe, no root, no magisk