You likely need the official Oppo F11 Stock Firmware (Recovery Fix File) . This guide will show you how to download the free official file and flash it to bring your phone back to life.
Before downloading large flash files, try these simple solutions: oppo f11 recovery fix file free
If your firmware is in .ofp format, you'll need this to extract the scatter file for flashing. Step-by-Step Recovery Fix You likely need the official Oppo F11 Stock
How to Exit Recovery Mode on OPPO Phone - Quick & Easy Guide oppo f11 recovery fix file free