Asus Zenfone Max Pro (M1) ZB601KL/ZB602K official Pictures. Asus Zenfone Max Pro (M1) ZB601KL/ZB602K is a Smartphone of asus. The Asus Zenfone Max Pro (M1) ZB601KL/ZB602K Android Smartphone. Announced Apr 2018. Features 5.99″ Display Snapdragon 636 Chipset Dual: 13 MP (f/2.2 25mm 1.12µm PDAF) + 5 MP Primary Camera 8 MP Front Camera 5000 MAh Battery 128 GB Storage 6 GB RAM. Asus Zenfone Max Pro (M1) ZB601KL/ZB602K price starts.