BLU Quattro 4.5 HD official Pictures. BLU Quattro 4.5 HD is a Smartphone of blu. The BLU Quattro 4.5 HD Android Smartphone. Announced Feb 2013. Features 4.5″ Display, Nvidia Tegra 3 Chipset, 8 MP Primary Camera, 1.3 MP Front Camera, 1800 MAh Battery, 16 GB Storage, 1000 MB RAM, Corning Gorilla Glass 2. BLU Quattro 4.5 HD price starts.