@karfel I decided to unlock this right away and followed the tutorial ([Guide] Usage of AMI’s AptioV UEFI Editor + FPT Flash Method), but it didn’t explicitly provide the ifr.txt. I noticed it created a body.bin, so I used ifrextractor.exe on this file and obtained the following information:
Note that I used the BIOS backup I made (Dump.bin).
Is this really the information I need to have to proceed?