How to unlock my ATT iphone if I don't have iTunes?

I locked up my ATT iPhone because I forgot my passcode. How can I unlock or reset my iPhone. I'm under a 2year contact with ATT. Will they charge me to unlock my iPhone?

If you don't have An ITunes You Can't Unlock your IPhone They May Charge you to Unlock it You have to Ask and See.

Take it to the apple store. They will reset your phone for free.AT&T will tell you to take it to apple.

This will help you
http://unlockappledevices.com/