Oppo R9s Plus: Firmware Qfil [extra Quality]
: When properly connected, the device will appear in the PC's Device Manager as "Qualcomm HS-USB QDLoader 9008".
: Power off the device, then hold both volume buttons while connecting it to the PC via USB. Oppo R9s Plus Firmware Qfil
Browse for the prog_emmc_firehose_xxxx.mbn file from the firmware folder. : When properly connected, the device will appear