Unlock MAC EFI Icloud 4, 6 digit PIN Lock passcode How Unlock MAC EFI Icloud 4, 6 digit PIN Lock passcode. HD Box its new tool to remove EFI Lock without using sensor cable. this usb hardware tool Can remove 4 to 6 digit EFI passwords by brute force, works standalone, no computers limit. To find the  4 digits passwords it can take 1 day and 17 hours. for simple passcodes can be very easy. At the moment this unlock MAC EFI Icloud with 4 or 6 digits is compatible with all mac: MacBook Air, ProBook, macbook pro. How to bypass 4 digits … Continue reading How to unlock MAC EFI Icloud with 4 or 6 digit PIN Lock passcode