Samsung Galaxy Mega 5.8 I9152 3G - UNLOCKED FACTORY COLOR BLACK DUAL SIM (SIM FREE) Red 2G GSM 850/900/1800/1900 - SIM 1 & 2 Red 3G HSDPA 850/900/1900/2100 Red 3G HSDPA 850/900/1700/1900/2100 Red 4G LTE 700/1700/2600 / 2300/2100/1800 SIM Micro-SIM OS Android OS, v4.3 (Jelly Bean) IN EVERY SETTING The 13 megapixel camera on the OnePlus One excels thanks to quality optics, sensors and algorithms. CAMERA 13 MP, 4128 x 3096 pixels, autofocus, flash LED (Wi-Fi Display) - Battery Embedded rechargeable 3100 mAh LiPo battery DISPLAY 1080 x 1920 pxels, 5.7" (~386 ppi) BATTERY Li-Ion 3200 mAh