Spice Stellar 507 (Mi-507) official Pictures. Spice Stellar 507 (Mi-507) is a Smartphone of spice. The Spice Stellar 507 (Mi-507) Android Smartphone. Announced Aug 2014. Features 5.0″ Display, MT6572 Chipset, 8 MP Primary Camera, 1.3 MP Front Camera, 1800 MAh Battery, 4 GB Storage, 512 MB RAM. Spice Stellar 507 (Mi-507) price starts.