This usually indicates a conflict with existing drivers. Uninstall old Huawei HiSuite drivers and try a clean installation of the COM 1.0 driver.
Without the correct driver, your PC will not recognize the device in this emergency mode. Windows might show it as an "unknown device" or "Huawei Diagnostics Interface" without functionality. The test point driver bridges the gap, converting the raw USB data into a format that flashing software can understand. test point driver huawei
The Huawei Test Point Driver allows a Windows computer to recognize a Huawei or Honor device when it is forced into (also known as Factory Mode or Emergency Download Mode). This usually indicates a conflict with existing drivers
Here are some key features of the Huawei Test Point Driver: test point driver huawei