i'm using v4a and shox audio mod from your installer but for dolby i'm using this and working on cardinal 8.1 https://androidfilehost.com/?fid=457095661767141554
i suggest to you add this on your installer
sorry for my bad english
Where i found KATE firmware for this rom?
See this https://forum.xda-developers.com/redmi-note-3/development/firmware-hmnote3proglobal-t3574361/