Redmi Note 6 Pro (Tulip) android 8, 9,10 MIUI 10,/11/12
Unlock Bootloader
- Install MiUnlock
- add Mi Acccount and Link in developer Setting
- reboot bootloader
- Open MiUnlock login to you mi account
- Choose Unlock
- fastboot reboot
Flash TWRP, Magisk & Root
- adb reboot bootloader
- fastboot flash recovery OrangeFox.img
- fastboot reboot +hold volume up
- install magisk
Stock ROM
https://xiaomifirmwareupdater.com/archive/miui/tulip/