Micromax Bolt Supreme Q300 official Pictures. Micromax Bolt Supreme Q300 is a Smartphone of micromax. The Micromax Bolt Supreme Q300 Android Smartphone. Announced May 2016. Features 3.5″ Display, Spreadtrum SC7731C Chipset, 2 MP Primary Camera, 1200 MAh Battery, 4 GB Storage, 512 MB RAM. Micromax Bolt Supreme Q300 price starts.