IOS59 is an IOS that is only used by titles that require WFS functionality, such as Dragon Quest X and the USB Repair Channel (both Japan exclusive). It is based on IOS57 and has these WFS modules added:
Note that while IOS59 is on NUS, it is not installed on consoles by default as it is not returned by the SOAP server; it only gets installed if DQX requests it to be installed.
|Version||Signing bug?||STM Release Exploit?||Notes|
|v6689||No||No||Was used in the beta test of Dragon Quest X.|
|v7201||No||No||Can be found on the Dragon Quest X game disc and on the vWii-NUS.|
|v8737||No||No||First version on NUS, second version on vWii-NUS.|
|v9249||No||No||Latest version on NUS and vWii-NUS.|
WFS, short for Wii FileSystem, is the proprietary filesystem used for external storage on the Wii U, to prevent piracy. It was ported to the Wii for Dragon Quest X.