Coolpad Mega 3 Triple SIM triple-standby (4G+4G+4G) Unlocked Phone 8MP primary camera with auto focus and 8MP front facing flash camera 13.97 centimeters (5.5-inch) HD capacitive touchscreen with 1280 x 720 pixels resolution and 267 ppi pixel density Android v6.0 + CoolUI operating system (Upgradable to TBC) with 1.25GHz MT6737 chipset quad core processor, 2GB RAM, 16GB internal memory expandable up to 64GB and triple SIM triple-standby (4G+4G+4G) 3050mAH lithium-polymer battery and standby time of 150 hours