Vivo Y21 S has display Size 6.51", operating system Android 11, Funtouch 11.1. The device has ram 4/6 GB too, card support is microSDXC (dedicated slot), it has 128GB 4GB RAM, 128GB 6GB RAM hard disk. Back camera 50 MP is awesome, front camera 8 MP is also not bad. Y21 S has power storage, . Device status is Available