If your Mac was manufactured , you can often bypass the EFI lock by physically altering the RAM configuration. This trick exploits a legacy loophole in the firmware. Steps for Pre-2011 Models: Power Down: Turn off the Mac and unplug the power.
This report provides a comprehensive overview of the EFI (Extensible Firmware Interface) password lock, often referred to as a Firmware or BIOS password. This security feature acts as a hardware-level barrier, preventing unauthorized booting from external media or modification of system startup settings. remove efi passcode lock
The only legal methods are:
Are you comfortable , or do you prefer a software-only approach? If your Mac was manufactured , you can
