Windows phone dual sim phone series acer liquid display size 4 inch display resolution 800 x 480 pixels display type ultra amoled pixel density 233 ppi ram 1 gb internal memory gb 8 gb processor manufacturer qualcomm processor type snapdragon 200 processor core 2 cpu clock speed 12 ghz memory card microsd sensors accelerometer g sensor proximity sensor light sensor location service gps multimedia function fm radio available operating system