Feature 1Professional Repair Tool: This is a must have tool for OS X repairing, includes the host, 4 pcs write sockets, 1 pc universal board, and 1 pc U disk. 2LED Color Screen Display: The repair tool adopts LED color screen, which is more convenient to display and operate. 3Multiple Power Supply Methods: The repair tool supports Type C, Micro USB cable power supply, and supports four AAA batteries for power supply. 4Powerful Function: The SPI ROM data of all serial port models for OS X from 2008 to 2020 can be written into the host. 5Applicable Model: This repair tool is applicable for OS X all series from 2008 to 2020, including for I OS X, for OS X Mini, for OS X Pro, for OS X Air.SpecificationItem Type:BIOSDatabaseMaterial: ABSBatteries: 4 x AAA batteries required (shipped without batteries)Compatible Models: For OS X all series from 2008 to 2020, including for I OS X, for OS X Mini, for OS X Pro, for OS X AirFunction:1. Can solve the problems of motherboard not booting, not displaying, crash, blue screen and other problems caused by BIOS data problems2. Can be used to remove EFI lock, firmware lock and PIN lock for OS X from 2008 to 20173. Can be used to write 2018-2020 T2 or M1 chip ROM raw data (used to judge whether it is not powered on because of ROM data)4. Can be used to replace the ME data in the BIOS (for OS X 2013-2017, after replacing the CPU, PCH or BIOS chip, if the ME data is not replaced, the boot display will be very slow)5. Can be used for OS X Pro 15in to turn off the independent display function "EG To IG" (to solve the problem of no display, blurred picture, crash, power failure, etc. caused by graphics card, video memory or PCB) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x BIOSDatabase5 x Accessories1 x U Disk