News Summary: Sprint fires up new data network Associated Press Copyright 2012 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Published 03:20 p.m., Monday, July 16, 2012 FASTER: Sprint Nextel Corp. has turned on its new wireless data network, providing a much-needed boost to the carrier, whose data speeds lag those of its largest competitors. LOCATIONS: Sprint fired up the fourth-generation, or 4G, network in Atlanta, Dallas, Houston, Kansas City, San Antonio and some smaller surrounding cities.