samsung j series is the series which another smart phone doesn't stand a chance to defeat it.The J1,J2,Js and J7.These are that are present in Jseries.with this smart phone,your data will not run suddently.because it has ultra data saving mode.This mode allows you to save data compression and restrict baground data.it saves data on video streaming upto 50% and saves data on shopping apps upto 40% and saves data on news apps upto 40% and saves data on browsing web upto 30%.If you are not satisfied with average quality videos,yo can buy this 4G phone because it only allows you to view crystal lity videod becaus it has super amoled display.

It has an unlimited playlist named mix radio  wich allows you build your own personalized playlist and it has the exclusive music service wich you can take your own kind of playlist from massive collection of 30 millionne tracks and take upto 8 hours music offline.it has 5 mp camera and it has capacity of 2,000 mah battery.it has memory of 1GB(RAM) + 8GB (ROM)microsd upto 128 GB.It is 8.4mm slim

                                                      These are all information of samsung galaxy

                                                       Jseries thank you