To avoid bricking, the community developed (Emulated NAND). Instead of installing WADs to the console’s fragile internal memory, users redirect the Wii to load the "NAND" from an SD card or USB drive via loaders like USB Loader GX or Neogamma.
Officially, WADs are installed via the Wii Shop Channel (now defunct). Unofficially, homebrew applications like or Multi-Mod Manager (MMM) allow users to install custom WADs directly to their Wii’s NAND (internal memory) or an SD card. wii wad pack
Think of a WAD file as a digital envelope. Inside that envelope are: To avoid bricking, the community developed (Emulated NAND)
There are several reasons why you might want to install a Wii WAD pack: legal pack might include:
A typical WAD pack is designed to streamline the modding process by including various types of installers: System IOS & cIOS
A safe, legal pack might include: