Installing system-level WADs, such as IOS files or System Menu versions, is significantly riskier. While clean IOS WAD files can be used to fix semi-bricked vWii systems, installing the wrong IOS can cause serious issues. This is why experts advise against deleting IOSes and then reinstalling them, as "you're just asking for a brick that way if you end up deleting the wrong one".
A WAD (short for "Wii WAD" — possibly standing for "Wii Archive Data") is an encrypted container. It typically contains: vwii wad
A tool or homebrew app that, before installing a WAD to vWii, would: Installing system-level WADs, such as IOS files or
The easiest way to set up and use EmuNAND is through a USB Loader, with being the most popular and reliable choice. Installing system-level WADs