The Vivo S5 is a probable successor to the S1 series that is rumored to rock the Snapdragon 712 processor and 48+8+5+2MP rear cameras. It also has a punch-hole selfie camera: the OEM has posted an official image showing this spec on its website prior to its launch. This event will take place on November 14, 2019.
https://www.notebookcheck.net/Vivo-teases-the-possibly-quad-cam-Snapdragon-712-powered-S5-ahead-of-its-launch.442592.0.html