there are plenty of forums dedicated to this, here is a guide to do exactly what I described above: https://www.win-raid.com/t3061f16-Guide-How-to-extract-inser

there are plenty of forums dedicated to this, here is a guide to do exactly what I described above: https://www.win-raid.com/t3061f16-Guide-How-to-extract-insert-replace-EFI-BIOS-modules-by-using-the-UEFITool.html https://www.win-raid.com/t3061f16-Guide-How-to-extract-inser... they don't need to be signed or you can dig through the manufacturers official documentation (often accessible behind NDA) don't blame me if you brick your hardware