BLU Advance 4.0 L2 official Pictures. BLU Advance 4.0 L2 is a Smartphone of blu. The BLU Advance 4.0 L2 Android Smartphone. Announced Apr 2016. Features 4.0″ Display, MT6580 Chipset, 3.15 MP Primary Camera, 1300 MAh Battery, 4 GB Storage, 512 MB RAM. BLU Advance 4.0 L2 price starts.