Asus Zenfone Max (M1) ZB556KL official Pictures. Asus Zenfone Max (M1) ZB556KL is a Smartphone of asus. The Asus Zenfone Max (M1) ZB556KL Android Smartphone. Announced Oct 2018. Features 5.45″ Display, Snapdragon 430 Chipset, 4000 MAh Battery, 32 GB Storage, 3 GB RAM. Asus Zenfone Max (M1) ZB556KL price starts.