Panasonic T31 official Pictures. Panasonic T31 is a Smartphone of panasonic. The Panasonic T31 Android Smartphone. Announced Oct 2013. Features 4.0″ Display, MT6572M Chipset, 3.15 MP Primary Camera, 1300 MAh Battery, 4 GB Storage, 512 MB RAM. Panasonic T31 price starts.