Samsung galaxy j7 4g phone LTE VOLTE jio sim support 5.5.hd display alom display and 1.5 gb ram internal 16 gb camera 13mp and front camera 5 mp back camera most clear face night and day light shot and front selfi camera phone is look is good launch 2015 and 5.1 lollipop version and update to marshmelo bettrey 3000 mah long bettery used long time best part camera and bettery it samsung phone very smooth working and very fast snapdragon 615 prosser using this phone phone sound great not a highbrit slot remove a bettery micro slot and extrnal sd card expand to 256 gb display is brilant nice and nice phone working is best no problem