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System Update4.0
Technical info
TypeSpecialized IOS

IOS61 was initally released alongside IOS60. It was used by the Wii Shop Channel from the System Menu 4.0, 4.1, and 4.2 updates. Also used by Photo Channel 1.1b. The binary is identical to IOS56, but the source code was probably changed so that IOS60 would be built together with IOS61.

It is composed of 15 app parts, the ticket and the TMD. This IOS is known to have SDHC support. On the vWii this IOS is missing, making this the only IOS with a version exclusive to newer RVL-101 units (v5918).

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
v4890 No No No No Yes Yes First release
v5405 No No No No No Yes
v5661 No No No No No No
v5662 No No No No No No
v5918 No No No No No No Only found on newer RVL-101 units.
v31518 No No No No No No Only found on Wii mini