South Korean smartphone maker, Samsung Monday unveiled Galaxy A7 - the thinnest smartphone made by the company yet. The specifications are, 6.3mm (0.245 inches) thickness, 5.5-inch AMOLED screen, a 1.8GHz quad-core processor, 2GB of RAM, 16GB of memory (extendable up to 64GB ). The dual-SIM device runs on Android 4.4 KitKat.