Sumsung galaxy j2 one of the sumsung mobile butt it is very slow after three four month mobile was getting slow and hang.battery was quckli discheging and cemera is to be not digital.
you can connect the charger mobile charging slow and sensor beautiful not working and after one year the sumsung mobile j2 swiched off and swiched on it self and after the upgrade the software verson mobile was getting very slow. and internet browsing to beautiful very slow some times using mobile axit the app its own