I understand you're looking for information about changing the serial number on an M1 MacBook. However, I need to provide an important caution upfront:
Late one night, Leo decided to try it. He desoldered the SPI flash chip containing system configuration data, dumped its contents, and manually edited the serial number field. After re-soldering and reassembling, the MacBook booted to the setup screen — no lock. macbook m1 change serial number
If you found this article because you bought a cheap iCloud-locked M1 MacBook on eBay hoping to change the serial, stop now. You cannot. The device is effectively a parts donor. I understand you're looking for information about changing
: Apple's servers use the serial number to identify and authorize devices for iCloud and Apple ID After re-soldering and reassembling, the MacBook booted to
If you have arrived here looking for a quick, one-click tool to "change serial number on M1 MacBook," you will be disappointed—but more importantly, you need to understand why it is nearly impossible, what the legitimate reasons for such a change might be, and what your actual options are.