Micromax Bolt Q331 official Pictures. Micromax Bolt Q331 is a Smartphone of micromax. The Micromax Bolt Q331 Android Smartphone. Announced Oct 2015. Features 5.0″ Display, Spreadtrum 7731G Chipset, 5 MP Primary Camera, 2 MP Front Camera, 2000 MAh Battery, 4 GB Storage, 512 MB RAM. Micromax Bolt Q331 price starts.