"Sprint has been forced to build a new 4G LTE network after betting its 4G strategy on WiMax and Clearwire (NSDQ: CLWR), and also had to pay dearly in order to carry the iPhone 4S on its network for the first time in October."
"AT&T admited that the phone's HSUPA capability - a key feature in increasing upload speeds on the Atrix as well as the new HTC Inspire 4G smartphone - will not be enabled until a later date."
MetroPCS is offering 4G coverage but the only device they have out now sucks. Interesting perspective on how important the device is to the experience.
Their findings showed that Verizon's LTE network performed with a 100% data success rate. Its average data speeds were between 4 and 14.5 times faster than competitors, and average upload speeds were between 4.7 and 49.3 times faster.