The Asus Zenfone 4 Max Pro ZC554KL was announced in 2017, August With 5.5 inches, 83.4 cm2 (~70.4% screen-to-body ratio) IPS LCD, Powered by Qualcomm MSM8917 Snapdragon 425 (28 nm)Qualcomm MSM8937 Snapdragon 430 (28 nm) and running Android 7 (Nougat), ZenUI 4, the device delivered smooth performance and multitasking capabilities. Its 16 MP, f/2.0, 26mm (wide), PDAF rear camera captured crisp photos and 1080p@30fps video, while the Li-Po 5000 mAh, non-removable ensured long-lasting usage.