I write this review after 2 year of use this mobile I write this review with honesty and I say to samsung you make good phone and a supercar fastest performance I was buy this mobile in 2015 and in 2017 the phone is running smoothly in my neighbours people also buy this mobile it give fully speed performance and this updates every month and now I have marshmallow in future I think samsung you have to update this samsung j7 to nought and please dont give wrong or cruptt updates please overall good phone and I suggest you to buy this mobile build quality is very good and I think this is not waterproof this give realiability and make me feel good and also a big screen I fully suggest you to buy this exellent phone I know that this 2017 but I have to take experience of this phone and this is fully geniuity review of samsung j7 I suggest you to buy this mobile and the design of this mobile is good, feature like s bike mode power saving and many other feature is very good and samsung deserves this money