Hey friends , today I here for the writting review on samsung mobile . 2 month before I buy samsung On Nxt ( 16GB ) . which is very good mobile . its of 3 GB RAM , 16 GB ROM , and also expandable upto 256 GB . Its of 5.5 inch HD display . ots processor is aleo good which is Exynos 7870 octa core 1.6 GHz processor. its battery backup is 20 to 23 hrs . its available 3300 mAh Li-ion battery . In this mobile camera quality is both at day and also in night vision . 13MP Rear Camera and 8MP front camera .At last I would like to tell you this mobile is cheap and best . thank you .