1. Preprogrammed Bios Efi Firmware Chip For Mac Pro
Pre-programmed Bios Efi Firmware Chip For Mac

Preprogrammed Bios Efi Firmware Chip For Mac Pro

Before purchase, please make sure all the specifications of your MacBook Pro match the listing title.The preprogrammed EFI Firmware chip can be used to unlock the EFI password (firmware password) and iCloud password lock.It will NOT unlock the OS password.Want to save your original serial number?send us the serial number from the bottom cover to save your original serial number with no additional charge!without that,there would be no serial number in the system after install the chip.What skill you need: 1. Disassemble the laptop; 2. Aeon wallet for macbook pro. Find the chip(we will offer the picture showing the location of the BIOS EFI Firmware Chip and Logic board model number); 3. Replace the chip(requires skill to desolder and solder by using a finetipped soldering iron or a hotair station); 4. Reassemble the laptop.If you have any questions, please feel free to ask us.

If every pin was indeed used, I would hazard a guess the firmware is ignoring successive attempts after a pre defined “limit”. The machine might need to be power cycled after every n attempts.