: Restores the phone to its original factory state, removing all custom modifications or software glitches.
If you're here, your Oppo R9s Plus is likely (no boot, no recovery, only detected as Qualcomm HS-USB QDLoader 9008 in Device Manager). QFIL is the right tool. Here's what you need to know. Oppo R9s Plus Firmware Qfil
This usually happens if the phone is not in the correct EDL mode or if the firmware files are corrupted. Try restarting the phone and the QFIL tool. Need more help? : Restores the phone to its original factory
: Wait for the "Download Succeed" message before disconnecting and booting the device. Oppo R9s Plus Firmware Qfil
Flashing the Oppo R9s Plus Qualcomm Flash Image Loader (QFIL)