13MP primary camera with ISO, auto focus and 5MP front facing camera 13.97 centimeters (5.5 inches) HD IPS multi-touch capacitive touchscreen with 1280 x 720 pixels resolution and 267 ppi pixel density Android v4.4 KitKat based MIUI 7 operating system with 1.2GHz Qualcomm Snapdragon 410 quad core processor, Adreno-306 GPU, 2GB RAM, 16GB internal memory expandable up to 32GB and dual micro-SIM dual standby (4G + 4G) 3100mAH lithium-polymer battery providing talk-time of 38 hours and standby time of 775 hours 1 year manufacturer warranty for device and 6 months manufacturer warranty for in-box accessories including batteries from the date of purchase