Its a nice phone for the people who are interested in samsung. Its better series in samsung smart phones. In j7 there is good battery backup, the phone has 3000 mh battery, which really good. And no doubt nice camera quality, j7 has 13 mp rear camera and 5mp front camera, both are with led flash.
So its a nice phone overall by samsung in 15000 price range. Thus if you are looking for phone in samsung and your budget is about 15000 rs you should go for j7
