These are instructions on how to use GNQC Download Tool to flash stock firmware on Qualcomm Based Android Smartphones and Tablets.

Requirements: Your Android device should have at least 20-30 percent of battery to perform the Flashing Process.

How to use GNQC DownLoad Tool

  1. Download and extract GNQC DownLoad Tool on the computer. Once the tool is extracted, you will be able to see the following files:
  2. GNQC Download Tool Files

  3. Install the USB Driver:
  4. GNQC Download Tool Driver

  5. Download and extract the Stock ROM on your Computer (If in case you have already downloaded the ROM on your computer, then SKIP this step).
  6. download

  7. Open GNQC_DownLoad.exe to launch the Tool:
  8. GNQC Download Tool Open

  9. Once GNQC DownLoad Tool is launched, Click on BP Browse Button and locate the bp_image folder in the firmware you have downloaded in Step #3.
  10. Gnqc DownLoad Tool BP Browse

    Gnqc DownLoad Tool BP Folder Select

  11. Click on the AP Browse Button and add the Firmware Folder.
  12. Gnqc DownLoad Tool AP Folder Browse

    Gnqc DownLoad Tool AP Folder Select

  13. Select WBW8901 in the name path:
  14. Gnqc DownLoad Tool Name Path

  15. Now, the download will highlight automatically (ready to download):
  16. Gnqc DownLoad Tool Ready

  17. Connect your Mobile Device to the Computer (make sure device is power off):
  18. Mobile Connect Computer

  19. Now, GNQC Download Tool will begin flashing the firmware on your mobile Device.
  20. Gnqc DownLoad Tool Flashing

  21. Once Flashing is completed, you will be able to see Green Successful Status.
  22. Gnqc DownLoad Tool Flash Success

  23. Now, close GNQC Tool and disconnect your Android Device from the computer.
  24. Congratulations, Now your Android Device is successfully running the Stock ROM you have Downloaded.

Notes

[*] Unable to Choose Firmware Path? If you are not able to click on Choose Path Button in Step#7 then it means you have not connected your Qualcomm Device to the computer. Try to Connect it after installing the USB Driver and also make sure your device is Power Off.

[*] Take Backup: Take a complete backup of your device before using the GNQC Tool because, during the flashing process, your data will be removed.

[*] Qualcomm USB Driver: We have shared the original Qualcomm USB Driver with the tool. You can find the driver after extracting the tool on your computer.

[*] Credits: GNQC DownLoad Tool is created and distributed by Qualcomm, Inc. So, full credit goes to them for sharing the tool for free.