If you have your , the most reliable way to unlock your Mac is through official channels.
Requires a programmer (like the CH341A ) and often an EFI programming cable or clip. Process: Locate the EFI chip on the logic board. Read the data from the chip using the programmer software. efi password unlock
These on UEFI systems. They are for legacy BIOS passwords stored in CMOS RAM. If you have your , the most reliable