[Request] Bios unlock Y540 15irh

I need help with unlocking Bios in my Legion. I do have SPI Programmer, and right now I’m trying to dump my Bios but there is one small problem.
My chip is Winbond 25Q128JV and in CH341A Programmer app I can chose between 25Q128FV and 25Q128BV. Is there any major difference between those chips, which one should I choose? Or maybe there is some newer version of the app? Could you help me.

Try this, before the SPI flashing, On intel the overclock men will likely remain locked, but all the other settings will be unlocked, I think that might be wort a try:
[TOOL] Lenovo (H20) Bios Unlocker and Locker