Unlock your Mac in seconds without soldering or removing the old (locked) chip. Easy install.

The EFI Chip Card can be used for:

• Fixing corrupted firmware from updates
• Unlocking EFI password lock (forgotten password)
• iCloud lock (6 or 4 PIN code/alphanumeric padlock)
• Solving disabled or locked Macs
• Removing DEP (Device Enrollment Profile), MDM (Mobile Device Management)

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.
• No soldering skills needed. Just plug in the card and enjoy.
• You will need to format and reinstall macOS after installing the chip card.
• We can program your original S/N into the chip. Please add your serial number to the S/N field. Otherwise, the chip will come with a new number.
• 100% permanent fix.
• Please select the correct model number. The EMC number is written on the back cover or can be found on this website.

Required Experience:

• Tools to open your Mac and install the EFI card.
• Knowledge of how to erase and install a clean version of macOS.
• Ability to change the system date and time when encountering “Untrusted Cert Title” or similar error messages.
• Might need to create a USB installer if internet recovery doesn’t work.

Most common error messages and how to fix them.

– An error occurred validating the installer data. The download is either damaged or incomplete.

– Untrusted_Cert_Title

– Installer error can’t be verified or was signed with a certificate that has expired

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Compatible models using SAM connector: (solderless)

Compatible models using Clamp connector: (solderless)

Compatible models using Chip Adapter Board: (soldering)

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 EFI Firmware Unlock Tool for 2011-2017 Apple iMac, MacBook Pro, MacBook Air, Mac mini, and Mac Pro with SAM and Clamp connectors – Mac EFI chip unlock (Solderless version).

Note: It will not remove the MDM or DEP profile.

 Compatible models using SAM connector: (solderless)

Compatible models using the Clamp SOIC8 clip

A list of compatible models using the Chip Board adapter: (Soldering needed)

Package includes:

• 1x EFI Unlock Tool
• 1x Chip Board, Set of three SAM connectors (M90, M91, M94), Pomona Clamp SOIC8 clip.
• 1x USB Cable, 8-pin cable, and user manual (pdf)

Please use a computer USB port 5v to power up the device or use a phone charger. You can also use a USB portable battery pack. (portable phone charger)

YouTube video:

Most common error messages and how to fix them.

–How to reset PRAM on your Mac

– An error occurred validating the installer data. The download is either damaged or incomplete.

– Untrusted_Cert_Title

– Installer error can’t be verified or was signed with a certificate that has expired

The post EFI TOOL With SAM Connector- Unlock EFI Firmware Lock, iCloud Password Lock – (2011-2017 models) appeared first on Mac Bios Unlock.

• The WSON8 to DIP8 Programmer board is designed for 3 kind of chips. SOIC8, WSON8 (8×6), (6×5)
• 8 pin adapter. Solder one chip only at a time.
• There are two spots for each chip in case you damage one.
• Compatible with most programmers. TL866 Plus, TL866II Plus, RT809, etc.
• Board size: 3.5cm x 6cm
• Does not include any chips or programmer.

The post SMD Chip Adapter Board for WSON8 (8×6, 6×5), SOIC8 appeared first on Mac Bios Unlock.

Big Sur 11.x (latest version)

Catalina 10.15.x

High Sierra 10.13.x 

Hold down the option key right after you press the power button and select the OS you like to install.

Which Mac operating systems are compatible?

You are paying for the service not the software. 

This USB is intended for repairs and recovery only and does not include a license, product key or COA.

The Apple software is available free of charge to download from App store.

Only works with Mac OS X based machine.

This product isn’t compatible with Windows OS.

You need to have basic knowledge about Mac computers. (boot from USB, erase disk, set date and time using terminal if needed)

Does not include a license key or a Certificate of Authenticity (COA). 

This product will restore and repair the user’s operating system using their own legal license key.

Software is open source and freely under the GNU license agreement.

Most common error messages and how to fix.

– An error occurred validating the installer data. The download is either damaged or incomplete.

– Untrusted_Cert_Title

The post macOS USB installer appeared first on Mac Bios Unlock.

The EFI BIOS chip can be used for the following:

• Fixing corrupted firmware caused during updates
• Removing iCloud lock (4 or 6 PIN code)
• Removing Mac EFI password lock and unlocking disabled Mac
• Solving MDM (Mobile Device Management) and DEP (Device Enrollment Profile)

Please add your laptop’s serial number in the serial number field if you want to retain your original S/N.

NOTE: Do not use your original serial number if your Mac has MDM or DEP profile. The chip will come with a different clean S/N.

• It will NOT remove the operating system password or hard drive password.
• Professional soldering skills are required to replace the chip. Be careful not to 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 checking our Solderless EFI Chip. It does not require any soldering or removal of the old chip.
• After installing the new chip, it is highly recommended to erase the disk and reinstall a clean version of macOS.
• Please select the correct EMC model or motherboard number. The EMC number is written on the back cover of your Mac or can be found by visiting this website.

Please contact us at support@macbiosunlock.com if you have any questions or problems with your order.

Unlock your Mac with EFI Unlock Tool

Most common error messages and how to fix them.

– An error occurred validating the installer data. The download is either damaged or incomplete.

– Untrusted_Cert_Title

-Installer error can’t be verified or was signed with a certificate that has expired

-How to reset the System Management Controller (SMC)

-How to reset PRAM on your Mac

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