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Rewrite the SN / UUID after programming MEC for Lenovo

ThienBui

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Rewrite the SN / UUID after programming MEC for Lenovo
EC MEC1633, MEC1632, MEC1609, MEC16, MEC50
note: Many users ask how to crack the superuser password. This chip is 192KB of Flash plus 2KB of EEPROM (stores the SVP superuser password and UUID). Through the JTAG interface, the flash can be read and written, and the EEPROM can be written but not read. Selecting "MEC1633_256K" to read and write will clear the EEPROM area where the SVP superuser password and UUID are located (the actual capacity is only 2KB). Then use the following tools to rewrite the SN / UUID.

ThinkPad-Hardware-Maintenance-Diskette-Version-190.exe
Thinkpad Maintenance Disk instructions.pdf

View attachment How to Change Serial Numb.mp4
 

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Hello, I have found the solution to program the EC DMI data on newer lenovo thinkpads:

Go to this site and download the package and follow the instructions

github.com

GitHub - ASparkOfFire/lenovo-u1-tool: Lenovo Uone Tool for Updating machine's Serial and Model information in UEFI/BIOS.

Lenovo Uone Tool for Updating machine's Serial and Model information in UEFI/BIOS. - GitHub - ASparkOfFire/lenovo-u1-tool: Lenovo Uone Tool for Updating machine's Serial and Model informati...

With this tool you can program all newer lenovos, is a hacked version of the official lenovo tool.

En este mensaje, descargue los 2 archivos y siga las instruciones para crear la llave usb para programar, el sistema tiene que seteado en modo uefi.
this file have a password u1u
 

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