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The Huawei Handset – HS-USB Diagnostics (COM6) driver allows Windows to recognize a compatible Huawei handset’s USB diagnostic interface and communicate with it through a virtual COM port. It is intended for users and technicians who need diagnostic access for compatible service tools, especially when Device Manager lists the interface as an unknown device or shows a driver warning.
Key Features
- USB diagnostic communication: Enables compatible diagnostic software to access the handset’s service interface over a USB connection.
- Virtual serial port support: Makes the diagnostic interface available as a COM port. Although this device is labeled COM6, Windows may assign a different port number.
- Windows device recognition: Helps Windows identify the diagnostic interface correctly rather than leaving it unrecognized in Device Manager.
- Legacy Windows support: Intended for Windows 10, 8.1, 7, Vista, and XP, subject to the specific driver package’s compatibility and architecture requirements.
How to Install Huawei Handset – HS-USB Diagnostics (COM6) Driver
- Check your system and device. Confirm your Windows version and whether it is 32-bit or 64-bit. In Device Manager, check the interface’s hardware IDs if you need to verify that the package matches your handset.
- Choose a compatible package. Before starting your Huawei Handset – HS-USB Diagnostics (COM6) driver download for Windows, review the supported systems and package source. If offered as a free download, confirm that the file is a driver package rather than an unrelated utility.
- Prepare the connection. Connect the handset with a data-capable USB cable. The diagnostic interface must be available on the handset for Windows to detect it; follow the device’s official service guidance if necessary.
- Install the driver. Run the included installer, if provided. Alternatively, extract the package, open Device Manager, right-click the diagnostic interface, select Update driver, and browse to the extracted folder.
- Verify detection. Restart Windows if prompted, then check Device Manager for the diagnostic port without a warning icon. Select its assigned COM number in your compatible diagnostic application.
Keep the driver updated when a compatible release addresses connection or recognition problems. Choose the latest version that explicitly supports your handset and operating system, rather than assuming every newer package will work. For Windows 10/11 systems, check compatibility carefully: Windows 10 is listed here, but Windows 11 support is not confirmed. Before an update, retain a working driver package in case you need to roll back.
Driver Details
| Device | Huawei Handset - HS-USB Diagnostics (COM6) |
|---|---|
| Vendor | Huawei |
| Category | USB |
| Supported OS | Windows 10, 8.1, 7, Vista, XP |
| Published | November 1, 2026 |
| Updated | November 1, 2026 |