The OPPO CPH2173 is an upcoming device that has been spotted in several leaks over the last few weeks. Based on its alleged specs, it is likely to be a Find X3-series flagship. It has now been certified by the FCC and 3C authorities, showing that it has a dual-cell 2200mAh battery and what seems to be a new version of ColorOS.
https://www.notebookcheck.net/The-OPPO-Find-X3-Pro-might-launch-with-a-4-400mAh-battery-65W-charging-and-ColorOS-11-2.515940.0.html