BLU Grand M3 official Pictures. BLU Grand M3 is a Smartphone of blu. The BLU Grand M3 Android Smartphone. Announced Jun 2018. Features 5.34″ Display MT6739 Chipset 8 MP Primary Camera 5 MP Front Camera 2500 MAh Battery 16 GB Storage 1000 MB RAM. BLU Grand M3 price starts.