(error 20)messege shows in itunes...plz help

Discussion in 'iPhone Tips, Help and Troubleshooting' started by ahmed08001, Jun 30, 2009.

  1. ahmed08001 macrumors newbie

    Dec 4, 2008
    hi guys..m heaving 2G iphone n i wre using firmware 2.2.1 but whn i tried to update to 3.0 ..finally my iphone blocked...whn i try to downgrad firmware 3.0 to 2.2.1 in itunes shows (there is a unknown error 20) guys plz help how can i resolve this prob...i m using windows vista n 8.2ver of itunes ..i also tried wth quickpwn app but it was unsuseful also....
    thnx alot 4 ur attention....hoping very soon 4 ur reply
  2. Moi un Mouton macrumors 68000

    Mar 18, 2008
    Bracknell UK

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