http://www.amazon.in/Asus-Zenfone-ZE551ML-Silver-16/dp/B019RVFR0K 13MP primary camera with aperture and 5MP front facing camera 5.5-inch (13.97 centimeters) IPS capacitivie touchscreen with 1920 x 1080 pixels resolution Android v5 Lollipop operating system with 1.8GHz quad core processor, 4GB RAM, 16GB internal memory expandable up to 128GB and dual SIM (LTE+GSM) 3000mAH lithium-polymer battery 1 year manufacturer warranty for device and 6 months manufacturer warranty for in-box accessories including batteries from the date of purchase