I have the same problem and solve it
With root browser going to system-vendor-etc
edit mixer_paths.xml like my screenshot from 84 to 92 save and after reboot
enjoy again the incoming call volume
Στάλθηκε από το Redmi Note 7 μου χρησιμοποιώντας Tapatalk
Wifi call (vowifi)dont working on lavender 9/1 biuld,its ok in 12/12 ,maybe this is not rom issue but Xiaomi make some change in modem,anyone check this problem?
Στάλθηκε από το Redmi Note 7 μου χρησιμοποιώντας Tapatalk