Plum Caliber II official Pictures. Plum Caliber II is a Smartphone of plum. The Plum Caliber II Phone. Announced Feb 2013. Features 2.4″ Display, MT6276 Chipset, 3.15 MP Primary Camera, 1.3 MP Front Camera, 1500 MAh Battery, 1000 MB Storage, 512 MB RAM. Plum Caliber II price starts.