4g smartphone dual sim phone android phone phablet series samsung galaxy samsung galaxy j display size 52 inch display resolution 1280 x 720 pixels display resolution hd display type amoled touchscreen multitouch capacitive pixel density 282 ppi ram 2 gb internal memory gb 16 gb usable internal memory 108 gb max memory expansion 128 gb processor manufacturer qualcomm processor type snapdragon 410 processor core 4 cpu clock speed 12 ghz g