Dear brothers pls read carefully my first post and do axact as i told you. A few minutes ago I did one 3Gs from 4 to 3.1.3 successfully without shsh blob. Always check your "host" file or every time change it by this file provided by me.
regards
my one question is that should it be in ios4.or can i try it in stuck 3.1.2 or 3.1.3.i never upgraded this sets to ios4.with 3.1.2 and3.1.3 when i try always i get error 3194.kindly help me