i have the iphone 4, and i tried to jailbreak it, but it dint work. So i do have and UNJAILBROKEN phone. The problem is, i have the cyida app on it and it wont open. Every time i tap on it, it closes out, and i noticed when i tap on safari it will do the same. I tried restoring it usuing itunes, and it wont let me. I REALLY want to REMOVE this cydia app. any ideas? or HELP ??? thank you.