i have a itouch 4 gen 64 gig its been jail-broken for a while i download a wrong package from cydia, was downloading then it told me to rebbot device stuck on apple logo i itunes wont pick it up unless i put in dfu mode and tried to restore and get 3094 i tired on MAC and PC and tried it backup from before i jail broke it back up says the same thing i tried tiny umbrella then i get error 11 please help, i think corrupted all it data please help