The Mac EFI Toolkit is a handy software that aids in collecting information and carrying out basic editing tasks. It has the ability to detect an EFI lock in the NVRAM, identify the APFS DXE driver, even in an LZMA compressed volume, verify file sizes, and calculate size discrepancies in bytes. Moreover, it can display the firmware version, making it a versatile and useful resource for Mac users.

Mac EFI Toolkit is an efficient solution that enables users to replace their System Serial Number (SSN) with an automatic Hardware Configuration (HWC) match and CRC32 mask. This toolkit also supports the transplantation of exported Fsys stores with automatic CRC32 masking, which enhances its functionality. Moreover, in case a customer forgets their password, Mac EFI Toolkit can clear firmware settings and EFI password lock to ensure that the customer can regain access to their device without any hassle.

Overall, Mac EFI Toolkit is a reliable and user-friendly tool that simplifies firmware management for Mac users.

Mac EFI Toolkit Features:

Edit copies of files in memory, preserving original files.

Read Intel Descriptor for UEFI section base and limit positions.

Utilize Knuth–Morris–Pratt algorithm for binary data search.

View the Intel Management Engine version.

Export and transplant the Intel Management Engine region.

View and validate the binary size.

View the firmware CRC32, created and modified date.

Mac Specific:

View if the firmware supports APFS.

View the firmware version.

View Apple ROM section information.

View the configuration code derived from the system serial number.

Fsys Store:

View and edit the System Serial Number (ssn) and Hardware Configuration (hwc).

View the System Order Number (son).

Export and replace the Fsys store.

Detect and repair invalid Fsys Store CRC32.

Check the System Serial Number with EveryMac.

NVRAM:

Clear NVRAM stores (VSS, SVS, NSS) with section header preservation.

Identify NVRAM stores with data, empty stores, and missing stores.

Detect and remove the EFI lock.

Platform Data Region:

Read the system Board-ID (UEFI version from 2013 onwards).

Application:

Works with Wine (Better support coming in the future)

Automatic handling of uncaught errors.

Ability to create a debug log.

No installation is required.

Support for DPI scaling.

Drag and drop functionality.

Notification when a newer version is available.

Similar:

How to Reset Your BIOS to Optimal, Default or Factory Settings

How to Check Your BIOS Version

How to Fix Boot Device Not Found Error