Does a firmware password get erased when erasing the hd on a mac?

Описание к видео Does a firmware password get erased when erasing the hd on a mac?

This is me experimenting to find out if erasing the Hard drive of a macbook without a t2 chip would get rid of the firmware password on it. Long story short it does not and you need to turn off the firmware password in the security startup utility in the recovery menu in order to remove it.
Timeline
00:00 How to set up firmware password
00:48 Showing that the firmware password is on
01:40 Erasing the HD
02:43 Installing os
03:00 Showing the os reinstalled and working
03:33 Firmware password is still on after wipe
03:46 How to remove firmware password

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