[REQUEST] HP pavilion dv6 1350-sl BIOS Unlock Request

Hello everyone, i have this HP pavilion dv6 1350-sl, and can't find a modified bios for it. I know it is old but I want full control on it with the advanced menu if unlockable. I double checked also on this site and I didn't find it.

This is the lastest bios version:
https://www.mediafire.com/file/m7mqoke82...9.exe/file

I hope you can help me guys.
thanks in advance

This is the bios infos
https://imgur.com/a/vLnP0Or