Android phone 4g smartphone phablet dual sim phone series sony xperia sony xperia x display size 52 inch display resolution 1920 x 1080 pixels display resolution full hd display type ips touchscreen multitouch capacitive display characteristics triluminos x reality dynamic contrast enhancement display properties scratch resistant display material gorilla glass pixel density 424 ppi ram 3 gb internal memory gb 64 gb max memory expansion 256 gb