I am using this smartphone before four months and it works very smoothly and very fine. Sound quality of this phone is amazing which feels me very good. This smartphone was very user freindly. Style and design of this smartphone was amazing which is a advantage of this smartphone. Camera quality of this smartphone was execllent and their 13MP rear camera and 5MP front camera was feels me very good. By 3300 mAh, the battery was so long. Look was also very good. Samsung Galaxy J7 was a reasonable smartphone.