Samsung galaxy j7 is pro model of j7 having good design and performance.it having 13 mega pixel front and 13mega pixel back camera with LED flash and autofocus.so it is having improved battery performance 3600mAh( Milli Amper hour) .and having ROM ( internal storage) of 64GB and expandeble upto 256GB and RAM 3 GB but its cost was costlier when compared to other mi. and vivo mobiles .then Samsung j7 pro have display of 5.5 inch with resolution 1680x2480.and it also have finger print sensor.along with it have very well finished display .and design was so beautiful and very very smooth and attacts towords it.so I recommend to buy this phone.thank you