Lenovo Z50-70 Unlock (all option) + Whitelist Remove

Hi, i want to unlock all hidden options (for example OC) for my lenovo z50-70

Intel Core i5-4210 1.7GHz 2.4 GHz
GeForce 840M


my bios: 9bcn91ww
https://pcsupport.lenovo.com/pl/pl/produ...s/DS100528

my backup: https://www.dropbox.com/s/qkde73nticysoi...W.rom?dl=0

Thank you