Vivo X20 Plus has display Size 6.43", operating system Android 7.1.1, up to 8.0; Funtouch 3.2. The device has ram 4 GB too, card support is microSD, up to 256 GB (uses shared SIM slot), it has 64 GB, 4 GB RAM hard disk. Back camera 12 MP is awesome, front camera 12 MP is also not bad. X20 Plus has power storage, . Device status is Available