Oppo A11 S has display Size 6.5", operating system Android 10, ColorOS 7.2. The device has ram 4/8 GB too, card support is microSDXC (dedicated slot), it has 64GB 4GB RAM, 128GB 4GB RAM, 128GB 8GB RAM hard disk. Back camera 13 MP is awesome, front camera 8 MP is also not bad. A11 S has power storage, . Device status is Available