Vivo Y31 has display Size 6.58", operating system Android 11, Funtouch 11. The device has ram 4-8 GB too, card support is microSDXC (dedicated slot), it has 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM hard disk. Back camera 48 MP is awesome, front camera 16 MP is also not bad. Y31 has power storage, . Device status is Available