1 turn off OEM RMM KG
2 flash recovery TWRP
3 go to recovery TWRP
4 go to wipe advanced wipe.. select all… delete
5 go to install… flash this file (STEP1.zip)
After flashing (STEP1.zip) go to wipe format data (yes)
6 fo to install… flash this file (STEP2.zip)
7 download Install TWRP