Zte Nubia Z17 Mini has display Size 5.2", operating system Android 6.1; nubia UI 4. The device has ram 6 GB too, card support is microSD, up to 256 GB (uses SIM 2 slot), it has 64 GB, 4 GB RAM - Standard edition64 GB, 6 GB RAM - High edition hard disk. Back camera 13 MP is awesome, front camera 16 MP is also not bad. Nubia Z17 Mini has power storage, . Device status is Available