There are many mobiles companies are there in the world but the mobile is one which is liked by all people over the world is * KARBONN* is best in the world it is greatest mobile on the world people is liked to buy the carbon mobile they are liked the style and so many things in the karbon mobile so they want to by karbonn k9 kavach 4G it recieves high speed signals other phone yet not recieve better than karbon karbon is better in the world plz bye this phone so you can rule over wprld in your hand