Whited00r 7 requries ios 3.1.2 of 3.1.3 Plese make sure that you are running a supproted version of ios then try ireb and whitedoor 7 I did it it works

Try Whited00r 7 WWW.whited00r.com Let me know how you like it I think it is amazing it jailbreaks and gives you ios 7 before installing make sure you are running ios 3.1.3 or 3.1.2 so it will work