Possible to install Cydia with iOS SDK?

Discussion in 'Jailbreaks and iOS Hacks' started by HiFiGuy528, Sep 21, 2010.

  1. HiFiGuy528 macrumors 68000

    Joined:
    Jul 24, 2008
    #1
    Any way to downgrade from 4.1 to 4.0.1 using iOS SDK and then install Cydia via SSH into the iPhone 4?
     
  2. HiFiGuy528 thread starter macrumors 68000

    Joined:
    Jul 24, 2008
  3. moussekateer macrumors 6502a

    moussekateer

    Joined:
    May 12, 2009
    #5
    Do you have an iPhone 4 or 3GS? Do you have SHSH's on file for 4.0.1? If no then you can't
     
  4. HiFiGuy528 thread starter macrumors 68000

    Joined:
    Jul 24, 2008
    #6
    Friend has a brand NEW iPhone 4 and no SHSH on file.
     
  5. moussekateer macrumors 6502a

    moussekateer

    Joined:
    May 12, 2009
    #7
    Then unfortunately it's impossible to downgrade.
     

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