These are the instructions to use Qualcomm Flash Image Loader (QFIL) Tool to flash stock firmware on any Qualcomm Device.
Caution: Flashing or installing firmware using the QFIl Tool, will wipe the data from the device. Therefore, we recommend you to take a backup of your data before following the tutorial below.
Congratulations! Now disconnect the device from the computer and set up everything on your device to use it.
[*] Download Button Not Appearing? The 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.