If your smartphone seems more like a slowphone, hang in there. The next generation of wireless technologies, known as 4G, promises blazing-fast data transmission speeds.
The first 4G handset, Sprint's HTC Evo, hits U.S. retail stores Friday, making this a good time to answer your questions about the fast wireless technology behind the Evo.
4G is just getting started, and even Sprint's network is only available in a handful of cities. But in just about two years, 4G could be almost everywhere.
All major U.S. wireless carriers are working on upgrading their systems to 4G -- though we would prefer if some, like AT&T, got their 3G networks working properly in the meantime.So what goodness will 4G bring to the world and should you hold your breath for it? Read on for our quick guide to all those burning questions about 4G.
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