4g smartphone series apple iphone display size 47 inch display resolution 1334 x 750 pixels display resolution hd display type ips touchscreen multitouch force touch capacitive display characteristics retina anti fingerprint dual domain pixels pixel density 326 ppi brightness 625 cdm contrast 14001 ram 2 gb internal memory gb 128 gb processor manufacturer apple processor type a10 processor core 4 cpu clock speed 24 ghz sim card nano