Xolo A510s has display Size 4.0", operating system Android 4.2. The device has ram 1 GB too, card support is microSD, up to 32 GB, it has 4 GB, 1 GB RAM hard disk. Back camera 5 MP is awesome, front camera VGA is also not bad. A510s has power storage, Up to 13 h (2G) / Up to 6 h 40 min (3G). Device status is Available