Wiko Highway Signs official Pictures. Wiko Highway Signs is a Smartphone of wiko. The Wiko Highway Signs Android Smartphone. Announced Sep 2014. Features 4.7″ Display, MT6592M Chipset, 8 MP Primary Camera, 5 MP Front Camera, 2000 MAh Battery, 8 GB Storage, 1000 MB RAM, Corning Gorilla Glass 2. Wiko Highway Signs price starts.