Karbonn Quattro L51 HD is a dual-SIM phablet with a 5-inch display. It is powered by a 1.3GHz quad core processor and 2GB of RAM. It has an 8MP rear and a 5MP front camera with Dual LED flash. In the connectivity segment, it has GPRS, EDGE, 3G, 4G, Wi-Fi, Bluetooth, and USB. Other features include Li-Ion 2200 mAh battery, music player, FM radio, 16GB built-in and 32GB expandable storage.