Samsung galaxy j2 is the best mobile of 4g because every smart phone price has alwas is low and up but this is the first mobile is has not price has low and up jis mobile phone price has fixed and what we are searching in smart phones camera quality and not hanging . This mobile has rear camera has 8mp and front camera is 5 mp and its smart manager has give in the phone and you can see your mobile condition and we are going to its battery its battery is 2000mh and it is power full mh of a 4g smartphone.