Lenovo Thinkbook 16P G2 ACH - BIOS Serial number missing

[TecnicaNTT]

Hi all,

I got a Lenovo Thinkbook 16P G2 ACH on the bench with a botched BIOS (somehow my client blanked it). I restored the laptop and got it up and running with original BIOS from Lenovo Support website.
My problem is now that the machine details are missing in the BIOS (Serial Number, MTM, etc.)
I tried to write the details with the Lenovo Uone Tool but had now luck. It is giving me an error: "ERROR: Locate protocol with LenovoEeprom, Status=[e]. EEPROM fail when reading or writing data."
I am now asking here for help if anyone knows how to do this in this model. I leave attached the working BIOS and machine details:

Brand: Lenovo
Model: Thinkbook 16P G2 ACH
Serial Number: PF3726L7
MTM: 20YM001WPG

Thanks in advance.

[BootLoader1]

Try and post results.

[TecnicaNTT]

bump, really need help for this!

[BootLoader1]

Try and post results.

[TecnicaNTT]

Try and post results.

Thank you!
Worked flawlessly. Laptop is up and running with correct info.