Solve the itunes unknown error(3002) while upgrading to iOS 5

I downloaded the iOS 5 .ipsw file from a direct link. You can find the one that matches your device type from here.

After the download completed, I followed standard instructions like hold ‘Option’ while I click the ‘Update’ button in iTunes. Did that and selected the .ipsw,  iTunes says, contacting itunes store and throws this error.

iphone 3002 itunes error
How I fixed this error on my Mac(Snow leopard).

  1. Move the iPhone3xxxxx_Restore.ipsw file to /Users/<yourusername>/Library/iTunes/iPhone Software Updates/
  2. Quit and reopen iTunes
  3. Click on your device and click ‘Update’
  4. Done.

This did the trick.

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  • Colin

    FYI, I had the same problem running iTunes under Windows 7, and the above approach worked for me.  The folder location in a Windows 7 environment : 
    C:UsersAppDataRoamingApple ComputeriTunesiPad Software Updates

  • Chakravarthychakravarthy

    no, not working.. i have modified my hosts file on 10.6.8, with itunes 10.5, with the original ios 5 ipsw, and using both update and restore buttons.. also clearing the dns cache each time. Iphone 4 GSM, 4.3.3 and extremely frustrated