Oppo's first foldable smartphone has leaked twice, perhaps a week or so before its introduction. The device, codenamed PEUM00, has appeared on Geekbench and at Camera FV-5. The databases confirm several details, including the Oppo Fold's camera hardware.
https://www.notebookcheck.net/Oppo-Fold-takes-a-trip-to-Geekbench-with-a-Snapdragon-888-12-GB-of-RAM-and-Android-11-as-camera-specifications-leak.583665.0.html