Brand new pre-programmed EFI Bios chip. 100% working and confirmed with clean ME Region.
The EFI Bios chip can be used for the followings:
– Fix Corrupted Firmware. – Remove iCloud Lock (4 or 6 Pin Code) – Remove Mac EFI Password Lock, Unlock Disabled Mac. – Solve MDM ( Mobile Device Management), DEP (Device Enrollment Profile)
NOTE: (Do not use your original serial number if your Mac has MDM, or DEP Profile)
(It will NOT remove the Operating system password or Hard Drive password)
Professional soldering skills are required to replace the chip so please, be careful to not damage any components around the chip. We are not responsible if you damage your logic board.
If you don’t have soldering skills, we recommend to check our Solderless EFI Chip. It does not require any soldering or removing the old chip.
After installing the new chip is is highly recommended to erase the disk, and then reinstall a clean version of MacOS. Please add your laptop serial number in the serial number field if you like to retain your original S/N.
Please select the correct EMC model or motherboard number. The EMC number is written on the back cover of your Mac, or you can find the EMC number by visiting this website.
Please contact us at email@example.com if you have any questions or problem with your order.
United States: USPS First Class 3-4 business days.
International shipping: USPS First Class International Mail 7 – 21 days.
All orders are shipped within 24 hours after payment.
EFI Chip Location/ Installation
Please make sure to follow the pin sequences; there is order on the pins. The small dot on the chip is the PIN #1. Make sure to check the position of the old chip and solder the new chip following that order.
Reset the PRAM after installing the new chip
Turn on your Mac and hold down all four keys at the same time. “Command” + “Option” + “P” + “R”
Keep holding down all four keys until you hear the startup sound for the second time.
Reinstall a clean version of macOS. (First erase the hard drive using Disk Utility and then reinstall macOS)