You can use the CMIzapper Medusa to unlock the EFI lock on all Macs with Intel CPU as long as it does NOT have a T2 chip.
The Medusa is a simple to use tool that allows you to read and write and modify the EFI (BIOS) ROM in a Mac.
Links to the products shown:
https://www.cmizapper.com/products/me...
Watch video How to unlock a MacBook Air using the CMIzapper Medusa online without registration, duration hours minute second in high quality. This video was added by user CMIzapper 10 December 2022, don't forget to share it with your friends and acquaintances, it has been viewed on our site 4,022 once and liked it 87 people.