Karbonn has expanded its smartphone portfolio with the launch of Karbonn K9 Smart 4G. Under the hood, the phone packs a 1.2GHz quad-core MediaTek processor paired with 1GB of RAM. Running Android 6.0 Marshmallow operating system, it features a 5-inch FWVGA display with 854×480 pixels resolution and 240 ppi pixel density.













