I’m big fan of samsung smart phones from bigining. it has 1.5gm ram n or 16 gb internal storage and it can be extended upto 128gb with a micro card.it android version is lolipop or marchmellow.it back cemera has 13 mega pixel n front cemers is 5 mega pixel with led light.sumsung also used super amoled campetive touchscreen with high definition for this phone