Sonim XP1300 Core official Pictures. Sonim XP1300 Core is a Smartphone of sonim. The Sonim XP1300 Core Smartphone. Announced Oct 2010. Features 2.0″ Display, 1750 MAh Battery, MIL-STD-810F Compliant, Corning Gorilla Glass. Sonim XP1300 Core price starts.