http://www.flipkart.com/mi4-16-gb/p/itme3jfejqvgb4gw?otracker=ts_mi_PromoWidget_1-0_banners_0 Key Features of Mi4 16 GB 13 MP Primary Camera Android v4.4 (KitKat) OS 2.5 GHz Qualcomm Snapdragon 801 MSM8274AC Quad Core Processor 5-inch Touchscreen 8 MP Secondary Camera