How to unlock an iphone 4 from sprint? - 1

I want to unlock my phone but i don't want to pay 200 & something te carrier charge to unlok so if anyone knows other way please let me know

If Sprint does not want to unlock your phone, or you do not want to pay what Sprint wants to unlock the phone, there's no legal means of unlocking, as unlocking a phone without carrier consent is a federal offense under the current DMCA laws.