Celkon smart 4G is wrost phone.it all feature is very low. I have used this phone only for one month.my experience is very bad with this phone.its networking is very low.when I play any game in this phone.phone get very heat. Its camera is very low.only 3.2 mega pixel.when I surf net in my mobile get very hang.its battery talktime is not good.and its charging is very slow. Its resolution is very bad.its not display video correctly.i am very sad to buy this phone.its ram is not good.once a day my phone drop from my hand and its screen was broken.i dislike this phone.this is very bad phone