, which allows the Wii to run homebrew software and backups from USB drives.

Given its name and format, "ios56-64-v5661.wad" could serve a variety of purposes, but without specific context, its exact use remains speculative. Here are a few possibilities:

: This is the file extension for Wii "packages." Think of it like an .exe on Windows or an .apk on Android. Why is IOS56 v5661 Important?