Oppo A8 has display Size 6.5", operating system Android 9.0; ColorOS 6.1. The device has ram 4 GB too, card support is microSD, up to 256 GB (dedicated slot), it has 128GB 4GB RAM hard disk. Back camera 12 MP is awesome, front camera 8 MP is also not bad. A8 has power storage, . Device status is Available