All Macbook Remote Management Lock Remove By HFZ [T2, M1, M2, M3, M4]

Reinstall macOS

 ~ put the mac in recovery mode ( for t2 mac, press the  option + command + R   immediately after pressing the power on button and for silicon mac, press the power button until it shows verifying on the screen)

 ~ choose option and go to disk utility

 ~ click on view all

 ~ erase the internal disk at the top

 ~ come back to recovery mode and click on reinstall macOS

After reinstallation completes put the mac back into recovery mode

Register the device serial number

Go to safari and search for https://annasolutionzone.com/hfzmdm

Copy code 

~ go to edit at the top and click on copy

Close the safari

 ~ go to safari at the top and click quit

Now open terminal

 ~ go to utilities at the top and then select open terminal

Paste the previously copied code here and hit on enter

Wait for patch completion

~ usually it will show exiting

Now go to Apple icon at the top left corner and click on restart

Set up the mac and put password (1234) when necessary

You can change remove guest account, do nota update, change the user admin and password from the settings without any issues.

Congratulations ! your mac is now free from mdm. ✅