hi guys i recently updated my phone and i hate the new 4.0.1. i want to go back to 3.1.3. i have a 3gs version 4.0.1 modem firmware 05.13.04. i have looked and tried so many tutorials but i keep getting an error 3194 on itunes. i didnt not shsh the phone back then. can someone kindly point me in the right direction. thank you.