i have a ipod touch 2nd gen 4.2.1 firmware mc model. when i input cydia.hackulo.us or cydia.sinfuliphonerepo it doesnt accept it. i tried them multiple times and it just gives me a message saying verification error and the host name could not be found. can you please helpe ive tried getting installous every way i know of but it gives me the same message over and over again please help.