The Asus Zenfone VV520KL was announced in 2017, September With 5.2 inches, 74.5 cm2 (~70.0% screen-to-body ratio) AMOLED, Powered by Qualcomm MSM8996 Snapdragon 820 (14 nm) and running Android 7 (Nougat), ZenUI 3, the device delivered smooth performance and multitasking capabilities. Its 23 MP, f/2.0, 1/2.6", 1.0µm, PDAF, Laser AF, 4-axis OIS rear camera captured crisp photos and 4K@30fps, 1080p@30fps video, while the Li-Ion 3000 mAh, non-removable ensured long-lasting usage.