Samsung j7 2016 is a upgrade version of samsung j7 2015 mostly feature are same but j7 2016 have a 3300 Mah battery, 2 GB Ram and look which is upgraded . It’s a good phone with super amoled display so it’s give u a true real life colour. I love samsung j7 2016 display and the finishing is also good . Samsung j7 2016 gives you knox application which is really superb it’s like a third party software. S bike mode, ultra power saving mode & Data saving mode makes samsung j7 2016 most powerfull. And you know very well about samsung service centre . You’ll get seriously good support with service centre.