Hey guys i own a sapphire r7 240 i heard that it is an locked r7 250 so i thought about flash bios to upgrade my GPU to r7 250.So i did that and it really unlocked but it seems I get usage spikes in some game(not in furmark)and also my vcore voltage changes between 1.5v and 1.2v is there any way to remove r7 240 whole firmware and get r7 250.Temps also not exceed more then 65c.