Oppo A5 S has display Size 6.2", operating system Android 8.1; ColorOS 5.2. The device has ram 4 GB too, card support is microSD, up to 256 GB (dedicated slot), it has 32/64 GB, 2/3/4 GB RAM hard disk. Back camera 13 MP is awesome, front camera 8 MP is also not bad. A5 S has power storage, . Device status is Available