ok now do this: Error(3194 or some thing like that)

After downloading the desired firmware, you can shift-click (PC) or option-click (Mac) the Restore orUpdate buttons in iTunes. A file dialog will open and let you choose the downloaded ipsw-file 

 Hi there

ok you have prob lem with redsnow when uploading ramdisc ok kernel

:  you need to do this step by step

(redsnow must be open and at  first page)