ASUS Zenfone 2 [ZE551ML 2.3GHz Dual SIM 64GB 4GB RAM] outright or with award-winning mobile plan from Vaya, powered by the Optus 4G Plus Network. Expand to view product description and specifications. Details ASUS Zenfone 2 ZE551ML features a marvelous modern design with ultra-thin edges making the device more elegant and comfortable to hold. It brings shutter and volume button visible on its rear side to let you handle these with more ease. The handset is powered by a 64-bit 2.3 GHz Quad-core Intel Atom Z3580 processor along with a massive 4 GB dual-channel LPDDR3 RAM, this strong combination provides you the extra fast app processing speed as well as efficient web-browsing. The Zenfone 2 shows off a large 5.5 inch capacitive touchscreen featuring 1920 x 1080 pixels resolution and 401ppi pixel density. Its multi-touch display is shielded with Corning Gorilla Glass 3 for superb protection while ASUS Zen user interface provides excellent user experience. The device comes installed with Android v5.0 (Lollipop) operating system with direct access to Play Store and a number of in-built features for your convenience. The handset integrates a 13 megapixel primary camera for life-like photography with some phenomenal features including autofocus, dual-LED (dual tone) flash, Geo-tagging, touch focus, face detection, panorama, HDR and 1080p video recording at 30fps. Another 5MP front-facing cam helps you take dazzling selfies and making video calls. Other prominent features of the ASUS Zenfone 2 are Dual-SIM support (One 3G/4G SIM and One 2G SIM), LTE support, Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, GPS, A-GPS and GLONASS, NFC, Bluetooth v4.0, FM radio, microUSB v2.0, Gyro, Compass, Accelerometer, Proximity, and a Li-Po 3000mAh capacity battery.