"1600" error when attempting to downgrade

Discussion in 'Jailbreaks and iOS Hacks' started by MatrixPrime, Sep 19, 2009.

  1. MatrixPrime macrumors regular

    Joined:
    Aug 20, 2007
    #1
    I've been trying to follow the tutorials to downgrade my 3G back to 3.0.1, but in iTunes, I never get the 1510 error, I get a 1600 error. What do I need to do at that point?
     
  2. dZp macrumors 6502a

    dZp

    Joined:
    Mar 29, 2006
    #2
    On a Mac ?
    Delete the contents (there should be a small .ipsw file) of the following folder:
    ~/Library/iTunes/Device Support/

    ~ = your user directory

    And try again. Worked for me anytime I got error 1600 trying to restore to a previous firmware.
     

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