Zte Nubia Z18 has display Size 5.99", operating system Android 8.1; nubia UI 6. The device has ram 8 GB too, card support is No, it has 128 GB, 8 GB RAM or 64 GB, 6 GB RAM hard disk. Back camera 24 MP is awesome, front camera 8 MP is also not bad. Nubia Z18 has power storage, . Device status is Available