Put your Huawei phone into Test Point mode (short the pins and plug in the cable). Look for or "Ports (COM & LPT)" . Right-click the "Unknown Device" and select Update Driver .
To clarify the distinct device states you may encounter during mobile repair workflows, consult the table below:
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.
If you need help with a specific part of the process, tell me: What you are working on Which version of Windows your PC runs The exact error message or behavior you are encountering
Expand the or Other Devices section to find your unrecognized phone. Right-click the unknown item and select Update driver . Choose Browse my computer for drivers . test point driver huawei install
The of your Huawei phone (e.g., P30 Pro, Y9 Prime). Which repair tool you are planning to use. The Windows version on your computer.
To install a test point driver for Huawei devices:
Within 5 seconds, the yellow triangle should vanish. Under Ports (COM & LPT) , you will now see:
Press or F7 on your keyboard to select Disable driver signature enforcement . Step 2: Install the Driver Download and extract the Huawei USB COM 1.0 driver package. Put your Huawei phone into Test Point mode
This article is a step-by-step, professional guide for technicians and advanced users.
port. This guide walks you through the manual installation of these drivers on Windows 10 and 11. Phase 1: Prepare Your Device
While holding the tweezers, connect the phone to the PC via a USB cable. 2. Update via Device Manager
For FRP bypass, consider whether you really need to open the phone. On older Huawei (Android 8/9), you could use free software like "FRP Hijacker" via fastboot. On Android 10/11/12 with HarmonyOS, test point driver install is mandatory. To clarify the distinct device states you may
You need to locate the test points. There is no universal standard; they vary by model. Heres where to find them:
Locate the test point (varies by model, usually marked "TP" or similar).
A test point driver allows your computer to communicate with a Huawei device that has its hardware test points shorted. Huawei devices primarily use HiSilicon Kirin processors. When you short the correct test point to the ground on the motherboard and plug in the USB cable, the device bypasses the standard bootloader and boots into mode. Without the specific test point driver installed, Windows will display the device as an "Unknown Device" with a yellow exclamation mark, preventing service software from interacting with it. 2. Prerequisites Before Installation