Steps to make it work:-
- Set the ROM to 112233445566.
- Update all the info such as Serial Number, MLB, UUID...(Invalid serial recommended).
- Reset NVRAM.
- Downgrade to Success' href='/2020/12/install-macos-catalina-on-supported-pc.html'>Catalina.
- Sign in to iCloud in System Preferences.
- And, if you receive Customer Code, Contact Apple Support by either:-
- Chat (Go to This link, Select "Apple ID", select "Topic not listed", Type "iMessage doesn't work", hit enter).
- Call (Go to This link, Select "Apple ID", select "iCloud, FaceTime & iMessage").
Note:-
- If it doesn't work, try changing the ROM to your Ethernet card's MAC address.
- If iMessage works now, you can even clean-install macOS and it will keep working(Don't go anywhere near PlatformInfo and it'll keep working.)
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