Sonim XP3.20 Quest Pro official Pictures. Sonim XP3.20 Quest Pro is a Smartphone of sonim. The Sonim XP3.20 Quest Pro Phone. Announced Jan 2010. Features 1.77″ Display, 2 MP Primary Camera, 1850 MAh Battery, MIL-STD-810F Compliant, Corning Gorilla Glass. Sonim XP3.20 Quest Pro price starts.