Can i unlcok the samsung instinct to use on At&t?

im thinking about buying the instinct and i want to know if i can unlock it to use on At&t beucase personally sprint has sucky coverage

To unlock your mobile with codes are some what better for your mobile to use without any problem, because codes are the best way to unlock your mobiles , just simply follow the instructions & enter the code means automatically your mobile get as unlocked,
Just visit this site Wicked Unlock.com , it has the step by step instructions for unlocking your samsung mobile from the network lock.............