Asus ROG Phone 3 ZS661KS official Pictures. Asus ROG Phone 3 ZS661KS is a Smartphone of asus. The Asus ROG Phone 3 Android Smartphone. Announced Jul 2020. Features 6.59″ Display Snapdragon 865 5G+ Chipset 6000 MAh Battery 512 GB Storage 16 GB RAM Corning Gorilla Glass 6. Asus ROG Phone 3 ZS661KS price starts.