: Use a hardware programmer to read the chip's binary data.
Remove power from volatile memory storing the password. remove efi passcode lock
: Restart your Mac and immediately hold Command (⌘) + R (Intel) or hold the power button for options (Apple Silicon). : Use a hardware programmer to read the chip's binary data
: When the lock icon appears, enter your firmware password. remove efi passcode lock
This is the only guaranteed, non-destructive method for modern Macs. If your Mac has a T2 Security Chip (2018 or newer) or Apple Silicon (M1/M2/M3), this is likely your only viable option. What you need: Original proof of purchase (receipt or invoice). The device’s serial number. A valid ID. The Process:
Before attempting technical hacks, the following standard procedures should be exhausted: