Samsung is launching new and improved mobile every year j7 is one of them it is the best mobile in it's range with good quality of camera fast processor and the goodwill of samsung! If you are willing to buy a large phone in the range of 10, 000 to16, 000 it is the best phone and j7 have to models 1st one was launched in 2015 and second one was launched in 2016 so if you are going to buy this phone go for it!
