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System Update4.3rev05J
Technical info
TypeSpecialized IOS

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 either IOS57 or IOS58 and has these modules added:

  • WFSKRN - Module to handle access to WFS devices
  • WFSI - Module to install content to WFS devices

The WFS implementation in this IOS has been ported over from IOSU, the OS of the Wii U. Like with IOS58, USB 2.0 is supported.

Titles using this IOS

Version history

Version Signing bug? /dev/flash access? ES_Identify? STM Release Exploit? STM IOCTL overflow? SDI register index bug? Notes
v6689 No No No No No No Was used in the beta test of Dragon Quest X.
v7201 No No No No No No Can be found on the Dragon Quest X game disc and on the vWii-NUS.
v8737 No No No No No No First version on NUS, second version on vWii-NUS. Updated WFSI and WFSKRN.
v9249 No No No No No No Latest version on NUS and vWii-NUS. Updated WFSI and WFSKRN.
v32801 No No No No No No Only found on Wii mini