4g smartphone dual sim phone android phone series acer liquid display size 5 inch display resolution 1280 x 720 pixels display resolution hd display type ips touchscreen capacitive multitouch display characteristics 25d glass display ram 1 gb internal memory gb 8 gb max memory expansion 200 gb processor manufacturer mediatek processor type mtk6580 processor core 4 cpu clock speed 13 ghz dual sim technique hybrid sim slot separate sd sim slo