Asus Zenfone Go ZB450KL official Pictures. Asus Zenfone Go ZB450KL is a Smartphone of asus. The Asus Zenfone Go ZB450KL Android Smartphone. Announced Jul 2016. Features 4.5″ Display, Snapdragon 410 Chipset, 8 MP Primary Camera, 2 MP Front Camera, 2070 MAh Battery, 8 GB Storage, 1000 MB RAM. Asus Zenfone Go ZB450KL price starts.