Vivo started with teasers yesterday which are now confirmed to be for the Vivo Xplay 5 flagship, the 2nd was released today along with a comment about the design.
The first Vivo teaser released yesterday simply showed a shape that looked like the curved design of a screen, very similar to the design of the Samsung Galaxy S6 Edge. There was no mention of the Xplay 5 in that first teaser, but the name is clearly mentioned in the new image.
Vivo Xplay 5 teasers
The second teasers shows the number 5 in the image plus the name Vivo Xplay 5, while the comment posted along with the teaser mentions a borderless design:
fast borderless Xplay 5
Specs for the Vivo Xplay 5 are expected to include a Snapdragon 820 processor, and up to 6GB RAM according to some news reports. It is also expected to see a slight change is size from 6-inch on the Xplay 3S to 5.5-inch while keeping a 2K resolution.