Vivo X6s has display Size 5.2", operating system Android 5.1; Funtouch 2.5. 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 13 MP is awesome, front camera 8 MP is also not bad. X6s has power storage, . Device status is Available