WUM Wii Update Manager

Quote:

WUM is GNU/GPL software who can help you to : - analyse a wii game iso file (or directly the DVD on linux) and tell you : * which is the region of the game (and other informations) * which is the region of the update * if there is a firmware update inside * if there is a risk to perform this update * if the update has already been modofied by WUM patch the update of this iso to : * put an inerte update inside : function Brick Block * replace by another update : can be use to make tests or unbrick semi-bricked wii

This nifty tool is available for Windows and Linux

Source: WUM Wii Update Manager