These are the instructions on How to use Qualcomm Flash Image Loader (QFIL) tool to flash stock firmware on any Qualcomm Device.
Requirements: This tool only works on Qualcomm Device only. If in case you are having a device which is not powered by Qualcomm Chipset then this will not work for you.
Thats It, We are done!. Now disconnect your device from the computer and setup everything on your device to use it.
[*] Download Button Not Appearing? Download button will only become active when your device is connected properly. Make sure you have installed the Qualcomm Driver and connected the device to the computer by Holding the Volume UP key.
[*] Caution: Take a backup of your important data before using the QFIL Application, as your personal data will be deleted after flashing the stock firmware using QFIL Application.
[*] Alternative Tool: There are several alternative tools are available that allows you to flash stock firmware on your Qualcomm Device including Qualfast, Qcom Phone Download Tool, eMMC DL Tool, GNQC Download Tool and Xiaomi Mi Flash Tool.
[*] Credits: Qualcomm Flash Image Loader is created by Qualcomm Mobility LLC. So, full credit goes to them for sharing the application for free.