OnePlus TWO 16GB Smart Phone OS: Android; Smart Phone OS ver.: 5.1 Lollipop; Shape: Bar; SIM: Micro-SIM; Processor Speed: Quad-core 1.5 GHz Cortex-A53 & Quad-core 2 GHz Cortex-A57; Internal Storage: 16GB; RAM: 3GB; External Storage: no card slot; Battery ...