Since this post [Request] Unlocked bios for a tuf X570 - BIOS/UEFI Modding / BIOS Modding Requests - Win-Raid Forum (level1techs.com)
Theres a new user tool for newer AMI V bioses, try it and post any doubts there:
Since this post [Request] Unlocked bios for a tuf X570 - BIOS/UEFI Modding / BIOS Modding Requests - Win-Raid Forum (level1techs.com)
Theres a new user tool for newer AMI V bioses, try it and post any doubts there: