Dual sim phone phablet windows phone series microsoft lumia display size 5 inch display resolution 1280 x 720 pixels display resolution hd display type ips touchscreen multitouch capacitive display characteristics clearblack pixel density 294 ppi ram 1 gb internal memory gb 8 gb max memory expansion 128 gb processor manufacturer qualcomm processor type snapdragon 400 processor core 4 cpu clock speed 12 ghz sim card micro sim memory cards