Search for a schematic diagram matching your exact Huawei model (e.g., "Huawei P30 Lite test point diagram"). Note the exact golden dot that needs to be grounded.
Step-by-Step Guide: How to Install the Huawei USB COM 1.0 Test Point Driver
Huawei USB COM 1.0 (COMx) (where x represents the assigned port number)
Touch one tip of your tweezers to the and the other tip to a metal shield (Ground) . test point driver huawei
Open the extracted folder. If an Install.exe or Setup.exe file is available, right-click it and select .
Once your device is recognized under the COM 1.0 port, you cannot simply use standard software like HiSuite to flash it. You must use specialized service tools designed to interact with this hardware layer:
A is a physical, exposed electronic contact point on a smartphone’s motherboard. When this specific point is shorted (connected) to a ground point (like a metal shield) using a pair of tweezers or a copper wire while connecting the device to a computer, it forces the phone's processor to boot into a low-level diagnostic state. Search for a schematic diagram matching your exact
A is a physical contact on the phone's motherboard that, when grounded (connected to a metal shield), forces the device into a low-level service mode. Common Troubleshooting
Windows has successfully detected a device, but the loaded driver configuration is broken or blocked by operating system security.
Here are the steps to install and use the Huawei Test Point Driver: Open the extracted folder
This indicates a driver conflict or a failed driver signature enforcement bypass. Uninstall the driver completely, reboot Windows with signature enforcement disabled, and reinstall the driver manually.
: If HiSuite does not fix the "USB SER" error, you may need a standalone driver package found on third-party sites like DriverScape How to Install the Test Point Driver