Micromax Bolt D303 official Pictures. Micromax Bolt D303 is a Smartphone of micromax. The Micromax Bolt D303 Android Smartphone. Announced Jul 2015. Features 4.0″ Display, MT6572M Chipset, 3.15 MP Primary Camera, 1300 MAh Battery, 4 GB Storage, 512 MB RAM. Micromax Bolt D303 price starts.