First Post from my Blackberry Curve

I'm still digging down to the bottom of this piece of tech goodness, my last phone was an LG Rumor and I wore out the cable in the slide which caused the screen to turn green. I'm with Sprint right now and to upgrade my phone, it would have cost close to 500 dollars. So I looked on Amazon and found an unlocked Blackberry Curve for 350 by one of their sellers Lux Case. There was a small problem