: You will need a USB cable to connect your device and a tool (like tweezers) to short the physical test points on your phone's motherboard to enter "EDL" or COM 1.0 mode. 2. Putting Your Huawei Device in Test Point Mode Power off the device completely. Open the back cover to access the motherboard. Locate the specific test points for your model.
The core of the installation lies in the driver software itself, often referred to as the "Huawei USB COM 1.0 Driver." To install it, the user must usually disable Driver Signature Enforcement on Windows, as these specialized tools are often not digitally signed by Microsoft. Once the driver package is downloaded, the user manually updates the driver through the Device Manager by pointing the system to the specific .inf files. This bridge allows specialized service tools—like SigmaKey, Chimera, or DC-Phoenix—to "talk" to the Huawei Kirin chipset directly. test point driver huawei install