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08-13-2018, 10:50 | #1 (permalink) |
Freak Poster Join Date: May 2018
Posts: 115
Member: 2833946 Status: Offline Thanks Meter: 108 | [Solution]How To Unlock MacBook By Removing EFI Password Remove the lower case and detach the battery. Remove the SSD and then confirm the board number of logic board: 820-3476-A so that we can match with the specific firmware. EFI Chip Free Removal Unlock Tool (30 pins) Locate the power supply pin of EFI chip. Solder the power supply wire. Locate the pin 1 of SAM socket on the logic board. Then, buckle the unlock tool correspondingly. Connect with the programmer and then supply power to EFI chip at 3.3V from DC Power Supply. Connect the unlock tool with PC. The program starts to identify the chip model automatically. Read and save a copy of the original firmware first. After that, load a specific firmware. Erase raw data, and write the specific firmware. Once finished, detach the unlock tool and power supply wire. Install the SSD and buckle the battery. Get the lower case assembled. Press “Option Key”. There is no firmware lock on the interface. Press “Option+Command+R+P+Power Button”, erase NVRAM and power up. User login interface appears this time. MacBook unlocked successfully. Since all data remain the same after unlocking, there is no need for OS reinstallation. Notice The unlock tool works with MacBook Pro 2012-2014; MacBook Air 2010-2014; REWA LAB works with 2014 MacBook Pro unlocking this time; All data remain the same after unlocking; EFI Chip non – removal solution (with a matching set of Free Removal Unlock Tool). This guide is a little hard to understand. For more details, you can check the link to watch the video https://blog.rewatechnology.com/unlo...-efi-password/ |
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