Xiaomi MI-4 16GB Smart Phone OS: MIUI V5; Shape: Bar; SIM: Micro-SIM, Single Standby; Processor Speed: Qualcomm Snapdragon 801(8974AC), Krait 400 Quad Core 2.5GHz; Internal Storage: 16GB; RAM: 3GB; External Storage: ; Battery life: standby up to about 2-3days;...