Macbook M1 Change Serial Number ((exclusive)) Link

Some users wish to obfuscate their hardware ID to avoid being tracked by software fingerprinters.

When Apple ships a new, blank logic board (a "service part") to an Authorized Service Provider (AASP), the board has no serial number or a generic one. The technician uses a second Mac running connected via USB-C to the M1 Mac in DFU mode. The software contacts Apple’s servers, cryptographically pairs the new logic board to the original enclosure’s serial number, and burns the serial into the Secure Enclave. macbook m1 change serial number

: If you need to find your original serial number to verify coverage, you can check the bottom of the device (it's printed in very small text) or check About This Mac in the Apple menu. Warning on Third-Party Tools Some users wish to obfuscate their hardware ID

: There are claims of hardware rewrite tools for the M1, but these are complex and typically only used by high-level repair technicians or Apple themselves during official refurbishing. The software contacts Apple’s servers