T2 chip runs an operating system called BridgeOS. Years: 2018-2020 - Apple added the T2 security chip (special chips that adds new layer of security).
The only way to remove the firmware password was to contact Apple. Years: 2011-2017 - Apple decided to solder the memory to the logic board.Years: 2006-2010 – The firmware password could be removed by either removing the battery, resetting the PRAM 3 times or removing RAM.Starup items / options below will be disabled (when firmware password is set): Internet Recovery – (Command Option R or Command Option Shift R).Īfter Mac fimware password is enabled following options will be still available but will require a correct password in order to work: Quoting apple: When you set a firmware password, users who don’t have the password can’t start up from any disk other than the designated startup disk. They can’t boot into target mac disk or get access to your private data.
To put this simple this firmware protection guard you against someone who wants to obtain your data. The firmware password was created to "protect" your Mac.
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