: If your logic board was replaced by Apple Support or an authorized provider and the serial number is now "Unavailable" or "Blank," they must use a proprietary Apple tool (often called a "Blank Board Serializer") to flash the original serial number. This tool is generally not available to the public.
Yes, many scam websites offer "M1 Pro Serial Changer" for a fee. They are either distributing malware or simply taking your money. Do not download unknown executables—they can bypass macOS Gatekeeper and steal your data. macbook m1 change serial number
Occasionally, after a botched repair, the serial number may show as "SystemSerialNumb" or "Unavailable," which breaks iCloud services. Can it be Done? (The Technical Methods) 1. The Official Method (Apple Authorized) : If your logic board was replaced by