I did a quick search and didn't see anything so hopefully someone can help? I have version 4.1 on my 32 GB Ipod Touch so I can't jailbreak it, is it possible and if so how do I downgrade it to 4.0 so I can jailbreak it?
try here it has step by step instructions and all the links u need http://jaxov.com/2010/07/downgrade-ios-4-1-to-ios-4-0-on-windows-mac/ its simple and worked for me