How to flash Qualcomm devices using gnqc download tool

This tutorial will show you how to flash Qualcomm android devices with WBWB602, WBW8670, WBW8901 platform using GNQC Download Tool. 

The screenshots shown here are taken while flashing Gionee E7 which has WBW8901 platform. The process is same if you want to flash devices with the other platforms.
Use this tutorial at your own risk!

Download and extract GNQC Download Tool from here
Install qualcomm usb drivers found inside the GNQC extracted folder
Launch gnqc_download from the extracted folder

-Click BP Browse button

-Select the bp folder found inside the ROM (Firmware) folder of the device you want to flash and click OK.

-Now Click the drop down on Name and select the platform Name of the device you want to flash. [This platform name is usually found on the name of the qcn file found inside the firmware (ROM) folder.]

-When the right platform is selected, the red box will change to yellow and you will see Ready to download.

-Now connect your device to PC while holding volume up or volume down button so that device will enter download mode.

-When your device is successfully connected, it will be displayed under Ports (COM & LPT)

-Now click Download. The download progress is shown as a green progress bar with percentage completed.

-When the Yellow box changes to green with note BP an AP upgrade successful then the process is complete.
You can disconnect an boot up your device.


  1. Replies
    1. Sorry I omitted the download link now its up. Thks for the feed back

  2. Hi, nice instructions , where i can download qualcomm firmwares that can be flashed by this method?

  3. Hi, nice instructions , where i can download qualcomm firmwares that can be flashed by this method?

  4. Please when I plug the USB should I hold Both Volume+ and Volume- simultaneously???
    And if I hold it should I release it before the flashing starts??

    1. hold either volume up or volume down before you connect to PC.
      When flashing process starts, leave button

  5. I want to flash my Gionee E7, and I have installed the necessary driver but when i plug in my phone its displaying "Gionee Android ADB interface" instead of Gionee HS-USB Diagnostics. please how should i hold the volume button when plugging the device or are there any more necessary drivers required to install?

  6. I have done so but its only displaying "Gionee Android ADB interface" and displaying "fastboot" at the bottom of the phone screen.

  7. obviously there is no OS currently on the can i still use this flash tool to flash the OS?

  8. I have redmi note 3 SD 650 in bricked stated, it is only being detected as USB-diagnostic 900E...can you help me?

  9. fastboot mode its freeze, i hold "power + vol up" and my phone freeze after to enter bootmenu .... my phone start android normally, but not fastboot mode ....anyone can help me?

  10. I have huawei G525-u00 can i flash with qnqc?


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