Hi, i'm new and kind of an iphone newbie... i did jb my iphone bymyself in 2.2.1 and it worked, but... in v3.0 i tried but didnt succedd... my baby is SF and works well with v3.0 after being updated from itunes, but when i'm tryin to jb it doest get cydia or icy in (redsnow 0.72)... it does everything after the dfu stage... it shows it's done but then i wait for it to bbot up, but it doesn't and then i power it up and it's tottaly norml.. no JB!!! plz help i've tried everyting