# Firmware flashing

***Copyright © Quectel Wireless Solutions Co., Ltd. 2026. All rights reserved.***

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This section mainly introduces the firmware flashing function of the QPiTerminal tool.

# Install the **Microsoft WinUSB** Driver

- Uninstall other drivers for this device first, such as Qualcomm USB drivers. Open **Device Manager** and make sure the device does not appear under the **COM** port category. If it already appears under **COM** ports, make sure to check **Delete the driver software for this device**.

- In **Device Manager**, right-click the device (**qcm6490-idp**) and click the following options in order:  
    - **Update driver**  
    - **Browse my computer for drivers**  
    - **Let me pick from a list of available drivers on my computer**  
    - In **Manufacturer**, select **WinUsb Device**. In **Model**, also select **WinUsb Device**, as shown in the figure below.  
    - Click **Next**. When the **Update Driver Warning** dialog appears, click **Yes** to continue the installation.

```{image} images/image_VjCzbbmuroO6cuxMr2YcIuc5nje.webp
:width: 854px
:height: 751px
```

# Download Firmware

- **Step 1: Open the firmware flashing window**

Click **`Firmware --> Firmware Flashing`** in the menu bar, or click the **Firmware Flashing** button in the toolbar to open the flashing interface.

```{image} images/image_KUBmbATnZocSXyxbxOWcMqtKnre.webp
:width: 1920px
:height: 1032px
```

- **Step 2: Select the firmware**

After selecting the firmware, the search path is filled in automatically.

```{image} images/image_CakVb2alQo3btwxD83ycuoonnfe.webp
:width: 1486px
:height: 1058px
```

```{image} images/image_GHqBbNo8rouyLjxVrJVcM8QTnVf.webp
:width: 1036px
:height: 737px
```

- **Step 3: Load the XML files**

Click **Load XML**, then select the required `rawprogram` and `patch` files.

```{image} images/image_E8YZbAySgoqFuNxtJ1tc6Idxnjc.webp
:width: 1448px
:height: 1086px
```

```{image} images/image_PHEHb50CmoN2iAxE4WUctCsbnXf.webp
:width: 1448px
:height: 1086px
```

```{image} images/image_ZSV7b9EtNohVG3xdW8ychNTtn1d.webp
:width: 1036px
:height: 737px
```

- **Step 4: Download the firmware**

Click **Download Firmware** to start flashing the firmware.

```{image} images/image_OSHkbsL7xoZwLGxfRnScNoZAnGh.webp
:width: 1036px
:height: 737px
```

- **Step 5: Download completed successfully**

Wait for the progress bar to finish. When the firmware download success pop-up appears, the firmware has been downloaded successfully.

```{image} images/image_M16lbcYL5o25MhxspElcYz9Tnrh.webp
:width: 1036px
:height: 737px
```