Unnecto Quattro S has display Size 4.0", operating system Android 5.1. 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 1.3 MP is also not bad. Quattro S has power storage, Up to 5 h (2G) / Up to 4 h (3G). Device status is Available