Short the test point to the ground (shielding) and simultaneously connect the device to your PC via USB.
The device disappears from "Other devices" and reappears under Ports (COM & LPT) as “Huawei USB COM 1.0” or “MediaTek USB Port.” test point driver huawei install
The is not a beginner’s task. It requires surgical precision, patience with Windows drivers, and the courage to open an expensive phone. However, for repair shop owners and advanced enthusiasts, it is an indispensable skill. Short the test point to the ground (shielding)