Test Point Driver Huawei ❲Linux❳

Cause: COM port number is too high (>16) or another process is using the port (e.g., HiSuite background service).
Fix: In Device Manager, right-click the COM port > Properties > Port Settings > Advanced > Change COM port number to COM3-COM9. Also kill HiSuite.exe and adb.exe processes.

Since many test point drivers are not digitally signed (or use expired certificates), Windows will block them by default.

How to disable:

Used for older HiSilicon bootloaders (Kirin 620-960). Often provided with HCU (Huawei Cleaner Utility).

To install the Huawei Test Point driver (commonly recognized as Huawei USB COM 1.0), follow these steps to resolve "USB SER" errors and enable flashing or unlocking on your device. 1. Download the Required Driver

The specific driver needed for Test Point mode is the Huawei USB COM 1.0 driver. test point driver huawei

Official Tools: You can use the HUAWEI One-click Driver Download Tool or HUAWEI PC Manager to manage standard drivers.

Specialized Driver: For manual installation, many technicians use version 2.0.6.725 (often found in technical forums like VLab) which supports Windows 8, 10, and 11. 2. How to Install (Manual Method)

If your device shows up as "USB SER" in Device Manager after shorting the test points, follow these steps to manually update it:

Open Device Manager: Right-click the Start button and select Device Manager.

Locate the Device: Look for "USB SER" or "Other Devices" with a yellow exclamation mark. Cause: COM port number is too high (>16)

Update Driver: Right-click the device and select Update driver > Browse my computer for drivers.

Select from List: Click Let me pick from a list of available drivers on my computer. Choose Ports: Select Ports (COM & LPT) and click Next.

Have Disk: Click Have Disk... and browse to the folder where you extracted the downloaded Huawei COM driver (look for the .inf file).

Select Model: Choose HUAWEI USB COM 1.0 from the list and click Next to install. 3. Verification

Once installed, the device should no longer appear as "USB SER." Instead, it will be listed under Ports (COM & LPT) as: Name: HUAWEI USB COM 1.0 (COMxx) Provider: HUAWEI Incorporated Troubleshooting Tips Once you short the test point and connect

Disable Driver Signature Enforcement: On Windows 10 or 11, you may need to disable driver signature enforcement to install older or unsigned COM drivers.

Battery Level: Ensure the phone's battery is above 30% before attempting to flash via test point.

Cable Quality: Use a high-quality USB cable; generic cables often fail to trigger the COM 1.0 port correctly.

Once you short the test point and connect the phone to your PC, Windows won't recognize it as a phone. Instead, it will appear as a Huawei Diagnostics Interface or an Unknown Device.

This is where the Test Point Driver (often the Huawei USB COM 1.0 driver) comes in.

Without this specific driver, your PC cannot communicate with the bricked device. With it installed, the device appears under Ports (COM & LPT) as Huawei USB COM 1.0. This allows flashing tools like IDT (Huawei’s proprietary download tool) or HCU to send the bootloader and firmware back to the device.

Accessing test points requires opening the device, breaking seals, and possibly damaging glue. This immediately voids any remaining manufacturer warranty.