Asus Zenfone 3 Max ZC520TL official Pictures. Asus Zenfone 3 Max ZC520TL is a Smartphone of asus. The Asus Zenfone 3 Max ZC520TL Android Smartphone. Announced Jul 2016. Features 5.2″ Display, MT6737M Chipset, 13 MP Primary Camera, 5 MP Front Camera, 4100 MAh Battery, 32 GB Storage, 3 GB RAM. Asus Zenfone 3 Max ZC520TL price starts.