Panasonic T31 has display Size 4.0", operating system Android 4.2.2. The device has ram 512 GB too, card support is microSD, up to 32 GB (dedicated slot), it has 4 GB, 512 MB RAM hard disk. Back camera 3.15 MP is awesome, front camera VGA is also not bad. T31 has power storage, Up to 3 h 30 min (2G) / Up to 9 h 30 min (3G). Device status is Available