OVERLAND PARK, Kan.–(BUSINESS WIRE)–Sprint (NYSE: S) is celebrating a vastly improved network with the “Sprint Getaway Giveaway” sweepstakes for its existing customers1. Through Sept. 16, customers can visit the “Sprint Getaway Giveaway” website to spin to enter. They’ll have an opportunity to score one of 20 LG G5 smartphones or the grand prize: a trip for two virtually anywhere in the continental U.S. The trip will include airfare, hotel, spending money and a new LG G5. Customers can enter