ASUS is one of the major brands that has redefined Taiwan's IT industry. ASUS has spawned a wide range of products like PC components, notebooks, tablets, Smartphones and more. Understanding the needs of today’s customers, ASUS has designed an array of innovative products that surpass the users’ imaginations. The Zenfone series has become one of the sought after Smartphones is the market. With the introduction of the Zenfone Go Zenfone 4 Selfie & Zenfone 4 Max ZC520KL Smartphone, ASUS offers state-of-the-art technology to the Smartphone users worldwide.