What or Kirin chipset are you trying to repair?
Connect your Huawei device to the PC using a USB cable while forcing the test point (or while the device is in its bricked COM 1.0 state). huawei usb com 1.0 driver.zip
The Ultimate Guide to Huawei USB COM 1.0 Driver: Download, Installation, and Troubleshooting What or Kirin chipset are you trying to repair