Asus ROG Phone 9 Pro official Pictures. Asus ROG Phone 9 Pro is a Smartphone of asus. The Asus ROG Phone 9 Pro Android Smartphone. Not Announced Yet. Features 6.78″ Display Snapdragon 8 Elite Chipset 5800 MAh Battery 1024 GB Storage 24 GB RAM Corning Gorilla Glass Victus 2. Asus ROG Phone 9 Pro price starts.