The OPPO F11 Pro has been characterized as a phone that would come out with a pop-up selfie camera on release. These leaks have been vindicated at its launch. It was also joined by the F11, a second variant of the same basic phone, but with a water-drop notch to house its own front-facing camera.
https://www.notebookcheck.net/The-OPPO-F11-and-11-Pro-launch-in-India.413236.0.html