Oppo A9 has display Size 6.53", operating system Android 9.0; ColorOS 6. The device has ram 6 GB too, card support is microSD, up to 256 GB, it has 128 GB, 4/6 GB RAM hard disk. Back camera 16 MP is awesome, front camera 16 MP is also not bad. A9 has power storage, . Device status is Available