Asus Zenfone 5 A501CG (2015 official Pictures. Asus Zenfone 5 A501CG (2015 is a Smartphone of asus. The Asus Zenfone 5 A501CG (2015) Android Smartphone. Announced Jan 2015. Features 5.0″ Display, Intel Atom Z2520 Chipset, 8 MP Primary Camera, 2 MP Front Camera, 2110 MAh Battery, 8 GB Storage, 2 GB RAM, Corning Gorilla Glass 3. Asus Zenfone 5 A501CG (2015 price starts.