Xolo Q510s has display Size 4.0", operating system Android 4.4.2. The device has ram 1 GB too, card support is microSD, up to 32 GB, it has 8 GB, 1 GB RAM hard disk. Back camera 5 MP is awesome, front camera VGA is also not bad. Q510s has power storage, Up to 16 h (2G) / Up to 7 h (3G). Device status is Available