Obi Hornbill S551 is an Android Smart Phone which runs on Android OS, v4.4 (KitKat) and offers the most dynamic platform for seamless apps, smoothest screen-to-screen transitions. Obi Hornbill S551 features Quad core 1.3 GHz processor and delivers a seamless graphics performance. It has a 5.5 inches (720 x 1280 pixels, 267 ppi) display and it is powered by its 2200 mAh Li-Ion Battery. Obi Hornbill S551 has a 13 MP primary camera and a secondary 5 MP camera for video-calls. In terms of storage it has 8 GB ROM, 1 GB RAM and storage is expandable via microSD, up to 32 GB. The connectivity options such as GPRS, 3G, Wi-Fi connectivity, etc.