The phone is heat during used lots of apps and those apps will be close after the battery becomes cool .Its cost is more than 10000 but its battery strength is not good it give only 2630mah only .many companys has given 4000 mah with a cost of 9000 like redmi company I think the battery was not good for this mobile .its adroid version using lolipop .recently all mobiles are using marshmallow but these mobile using lolipop.