[Request] Bios unlock for Lenovo V14 G3 ABA

[horizon999]

Hello, could someone help me unlock the bios for my Lenovo : V14 G3 ABA

i'm planning to spoof the device and changing the serial number of the bios but turnsout many spoofer works on this device so i probbly trying to do it manually, and start by changing the bios serial number. 
here i attach link of the BIOS firmware that i been update on the my device device :

BIOS update

also here's my backup that just create using backup toolkit 2.0 :

backup BIOS

thankyou so much in advance