High Quality Content by WIKIPEDIA articles! Samsung Exclaim (SPH-M550) is a dual-slider mobile phone, meaning it contains both an alpha numeric as well as a full QWERTY keyboard packed into one device. The phone became available to US Sprint users in June 2009 for $79.00 after a mail-in rebate and a two-year service contract from the carrier. Preloaded applications include YouTube, Google Maps, Sprint Social Zone, Facebook, and MySpace, among others.