Sprint Turns Up the Volume on 3G and 4G LTE in Chicago →

CHICAGO (BUSINESS WIRE), December 10, 2013 - Sprint (NYSE: S) invites Chicagoland wireless users to try its improved 3G and all-new 4G LTE network, which now includes Sprint Spark™ – a unique combination of network technologies that can deliver super-fast wireless speeds with the potential to surpass speeds of any other U.S. wireless carrier.