Download and install ADB & Fastboot drivers.Download the archive with required drivers.
How to install manually install HS-USB QDLoader 9008 driver? Wait until installation is fully completed.If you’re using 32Bit OS, during setup select «Free Bld».It seems that the bootloader was corrupted and f3 does not go into download mode or recovery. Step 2: Now boot your device into Download/Odin Mode. tar.md5 extension and place at a location where you can easily locate it in your PC.
Extract the zip file to get the firmware with.
However, if any of you here have already updated your phone to the newer Android or patch security versions, this method becomes invalid. I have previously written some tutorials about steps to removing the lockscreen password for a few Oppo smartphone models.