Wiko Rainbow Jam official Pictures. Wiko Rainbow Jam is a Smartphone of wiko. The Wiko Rainbow Jam Android Smartphone. Announced Sep 2015. Features 5.0″ Display, MT6580 Chipset, 8 MP Primary Camera, 5 MP Front Camera, 2500 MAh Battery, 8 GB Storage, 1000 MB RAM. Wiko Rainbow Jam price starts.