Micromax Canvas Unite 4 official Pictures. Micromax Canvas Unite 4 is a Smartphone of micromax. The Micromax Canvas Unite 4 Android Smartphone. Announced Jun 2016. Features 5.0″ Display, MT6735P Chipset, 8 MP Primary Camera, 5 MP Front Camera, 2500 MAh Battery, 8 GB Storage, 1000 MB RAM, Corning Gorilla Glass 3. Micromax Canvas Unite 4 price starts.