Pantech Vega R3 IM-A850L official Pictures. Pantech Vega R3 IM-A850L is a Smartphone of pantech. The Pantech Vega R3 IM-A850L Android Smartphone. Announced Oct 2012. Features 5.3″ Display, Snapdragon S4 Pro Chipset, 13 MP Primary Camera, 2 MP Front Camera, 2600 MAh Battery, 16 GB Storage, 2 GB RAM. Pantech Vega R3 IM-A850L price starts.