1. No such issueI like to try this rom Android 11I am on stock MIUI 12.0.3 android 10 for my 9S Curtana global but I'd like to know if the in call no volume bug exist as all android 11 roms I tried or it is fix with this rom? Calling or receiving call you cannot hear anything or be hear.
Other question I think this rom is rooted? Am I right
Thank you for your answer
2. Not prerooted, no rom is afaik
3. Flash R fw