Asus Zenfone 5z ZS620KL official Pictures. Asus Zenfone 5z ZS620KL is a Smartphone of asus. The Asus Zenfone 5z ZS620KL Android Smartphone. Announced Feb 2018. Features 6.2″ Display Snapdragon 845 Chipset 3300 MAh Battery 256 GB Storage 8 GB RAM Corning Gorilla Glass (unspecified Version). Asus Zenfone 5z ZS620KL price starts.