Vivo S1 Prime has display Size 6.38", operating system Android 9.0, Funtouch 9.2. The device has ram 8 GB too, card support is microSDXC (uses shared SIM slot), it has 128GB 8GB RAM hard disk. Back camera 48 MP is awesome, front camera 16 MP is also not bad. S1 Prime has power storage, . Device status is Available