Universal updater for wii system channels, installs some IOS, doesnt touch system menu.

WiiSCU uses PatchMii to update the following to their latest versions:

IOS16
IOS38
IOS51
IOS60
IOS61
News Channel
Weather Channel
Mii Channel
Photo Channel (v1.1)
Shop Channel

http://wiibrew.org/wiki/WiiSCU