Windows phone series microsoft lumia display size 4 inch display resolution 800 x 480 pixels display type lcd touchscreen multitouch capacitive pixel density 233 ppi ram 1 gb internal memory gb 8 gb max memory expansion 128 gb processor manufacturer qualcomm processor type snapdragon 200 processor core 2 cpu clock speed 12 ghz sim card micro sim memory cards microsd microsdhc microsdxc sensors accelerometer g sensor proximity sensor loc