I think there might be more to it than that. I think Sprint uses 1.9 GHz and 800 MHz frequencies, whereas Verizon uses 1.9 GHz and 850 Mhz. But they both use E

I think there might be more to it than that. I think Sprint uses 1.9 GHz and 800 MHz frequencies, whereas Verizon uses 1.9 GHz and 850 Mhz. But they both use EV-DO (specifically CDMA2000 EV-DO Rev. A), which is a standard... On the other hand, it looks like Verizon is fast moving towards LTE. See: http://www.engadget.com/2010/07/18/verizons-lte-rollout-is-imminent-computers-updated-for-4g-sim/ http://www.engadget.com/2010/07/18/verizons-lte-rollout-is-i... and http://www.engadget.com/2010/07/19/verizons-4g-lte-sim-in-the-wild/ http://www.engadget.com/2010/07/19/verizons-4g-lte-sim-in-th... My guess is that the next iPhone supports LTE and is available on either AT&T or Verizon. Sprint, on the other hand, is only now thinking about using LTE: http://gigaom.com/2010/07/13/sprint-going-lte-makes-sense-but-not-a-t-mobile-merger/ http://gigaom.com/2010/07/13/sprint-going-lte-makes-sense-bu...