: If the serial number on the bottom of the case doesn't match the one in "About This Mac," the logic board was likely replaced by a third party who could not flash the correct number.
If you have a legitimate need for a serial number change (like a repair error), your best and only safe path is through an macbook m1 change serial number
Some tools exist but are:
This requires $10,000+ in equipment and years of experience. A single bridge pin short will permanently kill the logic board. There is no "undo" button. : If the serial number on the bottom
If you just need to verify your current details, you can find them via: you can find them via: