Check Device Manager again. The port name may change to . This indicates the device is ready to accept a full firmware flash. Step 4: Flash the Repair Firmware
The device lights may blink once, and Device Manager will refresh to show two or three new COM ports. Step 3: Flashing the Firmware E8372h-153 Dead Boot Repair
Step 2: Locate and Trigger the Bootpin (Emergency Download Mode) Check Device Manager again
Check Device Manager again. The port should change from the download port to two or three distinct Huawei application/modem ports (typically including a PC UI Interface port). Step 5: Flash Stock Firmware and WebUI E8372h-153 Dead Boot Repair
(7 or 10 is recommended for driver stability). Tweezers or a conductive wire for bridging test points.