Hello pplI bought j2 2017 6 months agoit is a good phone overall rear camera is 5 mp and secondary camera is 8 mp and it is the only good thing ahout this phoneits battery is so bad it discharges sooo fastI noticed recently that its battery has increased itself from outer side which has a risk of blasting it.friends this is so harmful.i m having this fone and scared if battery can blast anytime