These are the instructions to Flash Stock Firmware (Flash File) using the Qcom Phone Download Tools.
Step 1: Download and install the android Universal USB driver on your PC. If adb is already installed on your computer then Skip this Method.
Step 2: Download and extract the Qcom Phone Download Tools on your PC. After extracting you will be able to see the following files.
Step 3: First open the “GN Qcom Download Tools.exe” file. After the Tools is launched, you will see the following screen.
Step 4: For Change Language Click the dropdown button & Select English.
Step 5: Press UpDataType Select Save production data.
Step 6: Now select browse button on “Softpath” and find the firmware data, that you want to display on your android device.
Step 7: Next, Press“Start Download” Button
Step 8: Now Connect your android device to your PC through original USB cable (without battery pack – if it’s battery detachable) and press Volume up or down button.
Step 9: The Flashing process will get started momentarily and it’ll get completed in few minutes.
Step 10: Once Flashing is completed, unplug your smartphone from the computer.
That’s it. You now have efficiently flashed stock ROM firmware on your android device.