Not So Fast T-Mobile, Sprint Claims It Has the Only National 4G Network

  Sprint is shooting back at T-Mobile’s claims regarding who has the largest national 4G network with a video series highlighting its own WiMAX 4G network. I think the 4G war just started rolling along a little faster. T-Mobile already took a shot at AT&T’s network and the iPhone 4 in a commercial that stresses how ...

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