I BOUGHT SAMSUNG GALAXY J7 FOUR MONTH AGO.great space for a mid range smartphone.but have it drain like express .volume not that great.loud speaker(for music or video play) is aswome.i am gammer, i would like to play game of good graphics game online or offline.after one hours playing game in this mobile.the battery of this phone goes down to 12%.other feature are good, like its touch, its cemera is very good.
For its battery back up, i do not recommand to buy this phone who are love to play game on their smartphone.