Today ZTE's sub-brand nubia has announced no less than three new smartphones for the Chinese market. They are the nubia M2, M2 Lite, and N2. nubia M2 This device marks the debut of the dual rear camera setup in nubia's roster. It's got dual 13 MP sensors, one color, one monochrome. Both are protected by sapphire, and both come with f/2.2 aperture. The phone has a 16 MP selfie camera with f/2.0 aperture and an 80-degree field of view. The screen is a 5.5-inch 1080p AMOLED, and the device is powered by Qualcomm's Snapdragon 625 chipset, aided by 4GB of RAM. 64 or 128GB of storage...
Source: http://www.gsmarena.com/zte_unveils_nubia_m2_with_dual_rear_camera_alongside_m2_lite_and_n2_-news-24102.php