hey im using iphone 4 with ios 5.0.1 and jailbreak it with pwnage tool. i dont have the original sim so i bypass the activation screen by emergency call. after that i go to cydia then install ultrasnow. my phone already unlock but everytime i lock my phone then unlock it, it always return to the activation screen. can somebody help me to get rid or activate my phone without original sim card? thank you, really appreciate it