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vBios clocks unlock 850m n551jk

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Hi guys!Today i tried to unlock frequency of my gtx 850m. I made a backup of my bios with afuwin, disassembled the bios with mmtool and found a vbios at 6A line, after modding it with maxwell bios tweaker i replaced vbios at line 6A with my newly created vbios. After falshing this new bios with afuwin i saw no difference in clocks, so i made a backup again and saw that new backup had my custom vbios. So what i done wrong? Why i dont unlock new clocks?

This is my vbios


And my laptop bios(without it)


Edited by Stas1337

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