Asus Zenfone Max Plus (M2) ZB634KL official Pictures. Asus Zenfone Max Plus (M2) ZB634KL is a Smartphone of asus. The Asus Zenfone Max Plus (M2) ZB634KL Android Smartphone. Announced Mar 2019. Features 6.26″ Display Snapdragon SiP 1 Chipset 4000 MAh Battery 64 GB Storage 4 GB RAM. Asus Zenfone Max Plus (M2) ZB634KL price starts.