Expected to debut on October 26, the 6-inch Oppo F5 "Selfie Expert" is rumored to feature a Qualcomm Snapdragon 660 processor and a dual-camera setup on each side.
https://www.notebookcheck.net/Oppo-F5-Selfie-Expert-phablet-with-front-dual-camera-coming-this-week.259458.0.html