Spice Mi-426 Smart Flo Mettle 4.0X official Pictures. Spice Mi-426 Smart Flo Mettle 4.0X is a Smartphone of spice. The Spice Mi-426 Smart Flo Mettle 4.0X Android Smartphone. Announced Jan 2014. Features 4.0″ Display, 2 MP Primary Camera, 1.3 MP Front Camera, 1400 MAh Battery. Spice Mi-426 Smart Flo Mettle 4.0X price starts.