Had no problems with:
Orangefox from: https://xdaforums.com/t/recovery-shared-surya-orangefox-r11-0-beta-add-ons-by-brigudav.4252623/
(TWRP should work, too)
First flash MIUI 12.0.8 from https://bigota.d.miui.com/V12.0.8.0...AGlobal_V12.0.8.0.RJGEUXM_5a1c94bd0b_11.0.zip
Then LOS from: http://sawamen.fun/b2469dd1
Orangefox from: https://xdaforums.com/t/recovery-shared-surya-orangefox-r11-0-beta-add-ons-by-brigudav.4252623/
(TWRP should work, too)
First flash MIUI 12.0.8 from https://bigota.d.miui.com/V12.0.8.0...AGlobal_V12.0.8.0.RJGEUXM_5a1c94bd0b_11.0.zip
Then LOS from: http://sawamen.fun/b2469dd1