Asus Zenfone 4 Selfie Pro ZD552KL official Pictures. Asus Zenfone 4 Selfie Pro ZD552KL is a Smartphone of asus. The Asus Zenfone 4 Selfie Pro ZD552KL Android Smartphone. Announced Aug 2017. Features 5.5″ Display, Snapdragon 625 Chipset, 16 MP Primary Camera, Dual: 12 MP (f/1.8, 25mm, 1/2.55″, 1.4µm) + 8 MP Front Camera, 3000 MAh Battery, 64 GB Storage, 4 GB RAM, Corning Gorilla Glass 5. Asus Zenfone 4 Selfie Pro ZD552KL price starts.