World best phone Samsung galaxy .i am now using Samsung Galaxy j7 pro now is simple and slime too.features is very good.and it is user friendly.it sound quality is very good and clear.Nice camera and superb clarity. internet speed is also better than Samsung j2 .Design and style of the smart phone is nice and looking so beautiful .it is very easy to used then battery 3600 mAH, 3GB Ram, dual sim.its price is very low. I felt myself comfortable to used this smart phone.5.5 inch HD display.Really it is very nice.