No. OpenCore works on Intel Hackintoshes. M1 Macs do not allow bootloader-level spoofing because the Secure Boot chain verifies every component before execution. A spoofed serial would still cause a mismatch with the Secure Enclave.
Disclaimer: This article is for educational and informational purposes only. Tampering with hardware identifiers may violate laws and warranty terms. Always consult a certified technician for legitimate repairs. macbook m1 change serial number
: Users who replace a bottom case or logic board with third-party parts may find their About This Mac A spoofed serial would still cause a mismatch
On Intel Macs, you could boot into single-user mode (Cmd+S) or use nvram commands. On M1, single-user mode is disabled by default. You must boot into (hold power button) and then run Startup Security Utility to reduce security. Even then, the nvram command is heavily restricted. Always consult a certified technician for legitimate repairs