K9 smart model is from karbonn and karbonn is good company but this smart phone is very bad from its features and they have launched on jan 2016 and its now very much old because of internal memory 8gb and ram is very much less 512mb and battery 2300mah and its camera is very much bad which take very bad pics back camera 3.2mp and front camera 1.3mp and mobile screen 5.0 inches which is not good and buy it on your risk its not good…