It offers no nfc features which disable us from sharing data between two devices
it has no screen protection features at all so if you offers a tough environment then be prepare that you are at all helping your devices but rather than harming it.
the camera specification is not reasonable and features are not up to the mark
one of the problems of j2 2016 is very less number of sensors
the average display quality is the poorest drawback of all
and the slow processor speed hangs the system.