This is the latest smartphone by vivo. It has an android version of 8.1 that's mean oreo( the latest Android version) . And it has 6 GB of Ram. It's performance is awesome. It has a great camera of 12 mp. And the best thing is its internal storage. Which is 128 GB and expandable upto 268 GB . And it supports the 4G network . This phone has all the best thing that a smartphone should have. I refer you to buy it.