Xiaomi Mi 4i Smart Phone OS: Android; Smart Phone OS ver.: v5.0.2 (Lollipop); Shape: Bar; SIM: Dual SIM (Micro-SIM), Dual Standby; Processor Speed: Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53; Internal Storage: 16GB; RAM: 2GB; External ...