Take a look at my post on xda you can download PitchBlack recovery from there
Link https://forum.xda-developers.com/android/development/recovery-pitchblack-recovery-unofficial-t3868240#post78184591
You can find here https://forum.xda-developers.com/android/development/recovery-pitchblack-recovery-unofficial-t3868240#post78184591
And here https://forum.xda-developers.com/t/redmi-note-6pro
In my experience PitchBlack recovery is better for now