So samsung j7 prime is a 4g phone so you can insert jio sim it has 1.6ghz octa core, 3gb ram, 16 gb internal, 5.5 inch superamoled display with corning gorrila glass 4 glass is too strong.It has android 6.0 marshmallow.It comes with a fingerprint scanner which works quickly, it comes with 13mp autofocus rear camera and 8mp front camera it runs all the heavy games like asphalt 8, nfs most wanted, gta sa, vc, dead triger 2, modern combat 5 and many more games easily it is the best option for multitask soif you are a samsung lover you can buy it otherwise there is more better option like mi max, vivo v5, gionee marathon m5 plus