cái này đợt e có mua lại cây mac air 2018 dính icloud, có hóa đơn xác minh người mua. Mang lên Apple Center tân định Q1. phải chờ hãng báo về apple rồi gửi cái thông tin xác minh và mở khóa ổ cứng hết đâu 100 đô hơn
nếu của anh có qua em làm lấy 5 xị càphê nhe anh trai.macbook thì làm được không giống như điện thoại ipad...hihi
We need serial number and hash code to provide unlock of your Mac. Generate hash code - will need the hash code to provide the unlock file for the unit: Boot the unit while holding the Option key. On lock screen, press Shift + Control + Command + Option + S. Save hash code also provide screenshot of hash code. In 1-2 working day you will recive unlock file. You need another mac + usb flash drive. Please perform the following steps in exactly this order. If they don't work, start over from the beginning and make sure you follow each one exactly. If that still doesn't work, contact us. 1) Format a flash drive GUID partition scheme and Mac OS Extended format. Name it Firmware. 2) Drag the attached SCBO file to your Desktop. If you are using Webmail, you will need to save the attachment to your Desktop. 3) Open Terminal. 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. 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. 6) Eject the flash drive. 7) Turn off locked computer. 8) Insert the flash drive. 9) Turn on locked 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. 10) If you see a PIN lock after these steps, reset the NVRAM with Command-Option-P-R !5 TIMES CONTINIOUSLY!. 11) DON NOT BOOT OS, REINSTALL OS WITH FULL FORMATTING OF HARD DRIVE! In other case you can get RELOCK of your MAC! The EFI password is now removed. NO REFUND FOR WRONG SN OR HASH
