Bios Mods - The Best BIOS Update and Modification Source

Hello,
I would like to unlock my bios, or first know if it's even possible.
My device is a lenovo yoga slim 7i gen 9 (15ILL9) lenovo page
My bios version is NYCN69WW, it's an intel laptop. lenovo bios page
But im not even sure if this bios is Insyde or anything else.

Thanks for your time !!

(07-21-2025, 08:06 AM)MacMaster3000 Wrote: [ -> ]Hello,
I would like to unlock my bios, or first know if it's even possible.
My device is a lenovo yoga slim 7i gen 9 (15ILL9) lenovo page
My bios version is NYCN69WW, it's an intel laptop. lenovo bios page
But im not even sure if this bios is Insyde or anything else.

Thanks for your time !!

Hi
All mods are personal. Need your bios dump