I am have the same question:
I found the EASIEST way to downgrade 1.1.3!
But I have one issue:
I don't think I have right 1.1.1 software
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I do the instructions and I think it is working. I found someones link to download the 1.1.1. (it has an .ipsw extension)
I get to the point that I need to selecte the 1.1.1 software & it starts the recover, but I get the error: The iPod iPod could not be restored. An unknown error occured (1)
How do I know if this is the right software I should be selecting? Is there another link I can use?
Sorry If you have said this some where but can't find it but I miss my APPs.
PS: I am runnning on Windows XP