• Download vendor_boot.img (https://t.me/c/3864256969/9)
• Boot into fastboot mode, type the command below use platformtools (https://t.me/PocoX8ProINA/25840) :
fastboot flash vendor_boot --slot=all vendor_boot.img
• fastboot reboot
!!! DO NOT USE FASTBOOT REBOOT RECOVERY OR ELSE YOUR DEVICE IS POTENTIALLY TO BRICK !!!
• After reboots, quickly hold volume up       button to boot into recovery
• Factory reset -> Format data
Select Apply Update -> Apply from ADB
• Flash the rom using sideload, the adb    command is on below:
adb sideload Project_Infinity-X-xxxxxxxx-OFFICIAL.zip
(or just drag and drop the zip file into terminal window after adb sideload command)
• Choose yes after sideloading (reboots into recovery)
( Skip if you flash the GApps ROM. ) Flash GApps or magisk (optional, MindTheGapps recommended or anything u want)
• Reboot system