, our 4g talking about 4g we' done that in partnership with gooe, intel, time warner, mcast and brighthouse because it's not just the fa that they can brg money, because rt of fixin sprint is generating ch flow andaking down the debt. these networks whe you bui out 3-bgs 3g andg are expensive. i can mitigate the cos by having tm share in the investme of building ohis 4g netwo they can bring great things to the tabl >> charlie: whaare the things tt are influencing delopment the most? >> a lot has to did with price. ere is this magic point at 2-300. these smt phones are $ 40. very expenve. theye -- >> charlie: iphone, i don't an to use appl as example but you can y iphone now for $199. >> that's correct. >> charlie: sprint phone for -- >> sprint andt&t pay $600. we sl it to you for $200 in exchange for two-year contract. and because it's -- >> chare: expin t numbers. give me that again. rint being a network. when you sn up for whas call post pay,two parts of the busine genelly called pre-pay and post-pay. this is one ever the misunderstandings a lot of customers have arod early termination fe