Asus Zenfone 12 Ultra official pictures. Asus Zenfone 12 Ultra is a mobile from Asus. The Asus Zenfone 12 Ultra Android smartphone. Not announced yet. Features 6.78″ display, Snapdragon 8 Elite chipset, 5500 mAh battery, 512 GB storage, 16 GB RAM, Corning Gorilla Glass Victus 2.