vbios

hi guys 

iam using the ideapad gaming 3 amd r5 4600h gtx 1650 .   15ARH05   .  unfortunately i just googled the 15ARH05 in a hurry after formating and downloaded drivers but my bad the legion 5 has also 15ARH05 version accidentally downloaded the vbios update and when i open it it installed and restarted the pc .then my gtx card gone 

little bit of internet researching i foundout the vbios that provided was causing issue to so many . so now i need the stock vbios of ideapad gaming 3 15ARH05 does anybody has this please help