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System Update2.0
Technical info
TypeCommon IOS

IOS12 is the oldest known version of IOS. It was probably developed to be used in Wii Demos and product showcases.

The SDK version built for IOS12 only supports 4:3 video.

Titles using this IOS

  • Elebits

Version history

Version Signing bug? /dev/flash access? ES_Identify? STM Release Exploit? Notes
v6 Yes Yes Yes Yes First release. June 4, 2006.
v11 No No No Yes
v12 No No No No
v269 No No No No
v525 No No No No
v526 No No No No
v782 No No No No Only found on vWii and newer RVL-101 units.
v26382 No No No No Only found on Wii mini