4g smartphone dual sim phone android phone phablet series asus zenfone display size 55 inch display resolution 1920 x 1080 pixels display resolution full hd display type ips touchscreen multitouch capacitive display characteristics glove mode anti fingerprint 25d glass display pixel density 401 ppi brightness 450 cdm ram 3 gb internal memory gb 32 gb max memory expansion 128 gb processor manufacturer qualcomm processor type snapdragon 430