Download and extract the on your computer.
Use the Qualcomm Flash Image Loader (QFIL) or the Oppo Download Tool (often bundled with the firmware). oppo cph1809 flash file qfil updated
Once the port is detected, click the button in QFIL. Download and extract the on your computer
Before you start the flashing process, ensure you have the following software and hardware ready: oppo cph1809 flash file qfil updated
In QFIL, you can select only persist.img or recovery.img by editing the rawprogram0.xml or using the “Select Partitions” tab.