Sprint Ad Uses iPhone to Push 4G Wi-Fi and Knock AT&T

Sprint unveiled this weekend a new ad using the iPhone to promote the wireless carrier's 4G service while at the same time knocking competitor AT&T. The ad, entitled "Make Your Phone 4G," was posted to YouTube. The spot promote's Sprint's Overdrive device, permitting any iPhone, or other Wi-Fi-enabled handset, to access the carrier's 4G network.
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