Xiaomi Redmi K40 S has display Size 6.67", operating system Android 12, MIUI 13. The device has ram 6-12 GB too, card support is No, it has 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM hard disk. Back camera 48 MP is awesome, front camera 20 MP is also not bad. Redmi K40 S has power storage, . Device status is Available