A new set of leaks from Weibo suggests that the upcoming OPPO R19 will have not 1 but 2 selfie cameras embedded directly into the display. This putative new step in smartphone design would result in a near-100% screen-to-body ratio. The new leak also alleges that the R19 will have 6GB of RAM.
https://www.notebookcheck.net/New-OPPO-R19-renders-point-to-dual-in-display-selfies-this-time.357716.0.html