Lenovo K80 64GB Smart Phone OS: Android; Smart Phone OS ver.: v5.0 (Lollipop); Shape: Bar; SIM: Dual SIM (Micro-SIM), Dual Standby; Processor Speed: Quad-core 1.83 GHz; Internal Storage: 64GB; RAM: 4GB; External Storage: ; Battery life: Stand-by Up to 520 h ...