While some third-party tools like "U-Boot 2" or specific EFI programmers claim to change serial numbers, using these on an M1 Mac carries a high risk of "bricking" (permanently breaking) the motherboard. For any serial number issues resulting from a repair, it is best to contact the original service provider to have it corrected officially. or are you trying to verify the specs of a used MacBook? How to change MacBook M1 Mode serial number 12 Jul 2023 —
Changing the serial number on an M1 MacBook is not a straightforward process and carries significant risks. While some users may be motivated to change the serial number for various reasons, it is essential to weigh the potential benefits against the risks and implications. Users should exercise caution and consider seeking advice from authorized Apple support or service providers before attempting to modify their device's serial number. macbook m1 change serial number