Key Features: 5.2-inch OLED Capacitive Touchscreen 2.7GHz Quad Core Processor Android 4.4.4 (Kitkat) 21 megapixel Camera Super Fast 4G LTE Internet Wireless Charging      

Key Features: 5.9-inch AMOlED Capacitive Touchscreen 2.7GHz Quad Core Processor Android 5.0 (LolliPop) 13 megapixel Camera Super Fast 4G LTE Internet Wireless Charging