Asus zenfonfone 2 is very good phone it is 2gb 128gb expendable and 16gb internal asus zenfone 2 us a most expensive phone and it is a touch back style so slimmest phone it is very fast work phone and battery is 3000mah it is long time used in this phone camara 13mp photo is click it is very beautiful photo and selfie camera is 5mp so beautiful photo click and easy to use.