Fact: smartphones capable of 4G data speeds are battery leeches. All iPhones up until now have been 3G smartphones. It's now rumored that the iPhone 5 will sport faux 4G speeds. Did Apple solve the battery conundrum? Not exactly.
Watch out, the fourth largest mobile carrier just tossed a 4G grenade at its enemies. T-Mobile announced yesterday that it officially flipped the switch for its 4G network in six more U.S. cities. Are you ready for 4G?