The Samsung Galaxy A9 (2018) is an affordable midrange smartphone that still has first-of-its-kind cutting-edge technology such as the first quad camera in the world, featuring 4 different cameras on the rear. The A9 features a 6.3 inch Full HD+ Super AMOLED Infinity Display with curved edges similar to the previous generations, and support for incredible Dolby Atmos immersive sound technology. Its extra features include Bixby with Bixby button (Samsung\'s virtual assistant), Always-on Display and a Gorilla Glass front panel that will stop the toughest...