csrutil disable
Restart computer
In the terminal, type
sudo open /Applications/TextEdit.app /System/Library/LaunchDaemons/com.apple.ManagedClient.enroll.plist
change
<key>com.apple.ManagedClient.enroll</key>
<true/>
to
<key>com.apple.ManagedClient.enroll</key>
<false/>
So that the changes take effect
I was success bypass today. I was tried backup data to external hard drive. After reboot , we have some time 5s to 60s to make copy commands, under MDM screen, the data still copying. After backup data, we fresh install Sonoma, and use command at skipmdm.com