Feb 16, 2013 below is the correct way to remove the firmware password, i have the scbo file, i am not aware if the scbo is unique to each machine and password. I can provide my scbo file to whom ever to help figure out how to bypass apples security. Also, if you send me a pm i can get you the correct scbo file for you machine, just send me a pm. Jun 25, 2016 My original goal when I started poking around Apple’s EFI implementation was to find a way to reset a MacBook’s firmware password. My preliminary research found references to a “magical” SCBO file that could be loaded onto a USB flash drive and booted to remove the password. The normal process workflow is to first contact Apple support.
My Skype: haisung4344 Step 1) Format a flash drive GUID partition scheme and Mac OS Extended format. Name it Firmware.Step 2) Drag the attached SCBO file to your Desktop. If you are using Webmail, you will need to save the attachment to your Desktop.Step 3) Open Terminal.Step 4) Paste the following command into the terminal window and press enter:cp /Desktop/SCBO-signed.bin /Volumes/Firmware/.SCBO You should get a new line, no errors.Step 5) Paste the following command into the terminal window and press enter:cp /Desktop/SCBO-signed.bin /Volumes/Firmware/.SCBO You should get a new line, no errors.Step6) Eject the flash drive.Step 7) Turn off the customer's computer.Step.
Insert the flash drive.Step 9) Turn on the customer's computer and immediately hold down the Option key.You should see the lock symbol for a second and then it will restart to the Startup Manager.Step 10) If you see a PIN lock after these steps, reset the NVRAM with Command-Option-P-R.The EFI password is now removed. My Skype: haisung4344 .
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