Plum Trigger Pro official Pictures. Plum Trigger Pro is a Smartphone of plum. The Plum Trigger Pro Android Smartphone. Announced May 2014. Features 3.5″ Display, MT6572M Chipset, 5 MP Primary Camera, 1.3 MP Front Camera, 1350 MAh Battery, 4 GB Storage, 512 MB RAM. Plum Trigger Pro price starts.