"EOS EFI" software tools aim to streamline or completely automate this process. Depending on the specific software suite and the generation of the Mac, these tools attempt to interface with the firmware via specialized bootable USB environments, or they act as the automated editing software that modifies the raw firmware dump collected via a hardware programmer. The Role of "Patched" Firmware Downloads
Apple computers use Extensible Firmware Interface (EFI) firmware to secure the system before the operating system boots. If you own an Intel-based Mac and lose your firmware password, you are locked out of the boot menu, Target Disk Mode, and recovery options. reset eos efi software download patched