We expected that Vivo will unveil the successor to the Xplay S3 today, and we received information about another phone instead.

X6 will come with MediaTek's 10-core Helio X20 chipset and 1GB of dedicated video RAM. he phone is expected to have a Nexus 6-like 6" QHD AMOLED display with Force Touch.  A 21MP main camera and 12MP selfie camera are also onboard. 

The fate of  Xplay S3's successor today is currently unkown.