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  1. #1
    Registered User dvildance's Avatar
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    Nov 2012
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    1

    Lightbulb [Answered] PS3 3.66 downgrade help?


    hi guys , my ps3 is system cech3003A with firm 3.66

    how to downgrade 3.66 to 3.55?

    thanks dear

  2. #2
    Banned User scott7seven's Avatar
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    Nov 2012
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    85

    you dont, you have to have ofw 355 or less to start with

  3. #3
    Senior Member elser1's Avatar
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    Oct 2010
    Posts
    2,418
    the model of your ps3 is too new. it came originally with firmware past 3.55 so you cant downgrade as yet sorry mate!