Spice Smart Flo 503 (Mi-503) official Pictures. Spice Smart Flo 503 (Mi-503) is a Smartphone of spice. The Spice Smart Flo 503 (Mi-503) Android Smartphone. Announced Aug 2014. Features 5.0″ Display, MT6571 Chipset, 8 MP Primary Camera, 2 MP Front Camera, 2000 MAh Battery, 4 GB Storage, 512 MB RAM. Spice Smart Flo 503 (Mi-503) price starts.