This. I want to hack the vWii mode but it would really handy to have a completely clean vWii nand dump so that if I ever have to send the Wii U to repair I can restore it and, magic, nothing has happened in vWii. Is this possible? Or is it possible to "clean" the NAND dump? I did that on my real Wii's NAND dump, I formatted the nand file on my computer then installed in in the Wii. But I don't know if this is possible on the Wii U What I mean is a NAND dump without HBC, cIOS, or anything like that. A 100% clean dump.