How to Downgrade Wii 4.0U

Discussion in 'Wii - Hacking' started by MissingNo._, May 7, 2009.

May 7, 2009
  1. MissingNo._
    OP

    Member MissingNo._ aka MissingNoL

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    I've heard that there's a way to downgrade a Wii thats 4.0U if you have only the Homebrew Channel installed. But how? I've searched everywhere but I can't find it.
     
  2. Puma

    Member Puma GBAtemp Fan

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    You also need a cIOS.
     
  3. MissingNo._
    OP

    Member MissingNo._ aka MissingNoL

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    Is cIOS downloaded onto the Wii or is it just some program on the SD card? And if it's downloaded on the Wii can it work on 4.0U?
     
  4. mbr013

    Newcomer mbr013 Member

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    You can search on you tube. They got tutorial videos. I downgrade my 4.0U to 3.2U.
    But remember, all steps need to be done without errors. If you got any error, just try until you got the process work...
     
  5. PNo4

    Member PNo4 GBAtemp Regular

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    http://gbatemp.net/index.php?showtopic=146735

    I stopped on step 10 though, and ran some homebrew (WiiSCU among others) to add truscha sign-bug back into a lot of IOSes.
     

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