A DC-Unlocker or Huawei Calculator tool (to generate flashing codes if prompted). Step 1: Disassemble the Device and Locate the Test Point
Before attempting repair, confirm the exact failure mode. Do not confuse a dead boot with a locked bootloader or simple driver corruption.
: You will need to bridge this specific gold pad to the metal shielding (ground) of the USB plug or internal shielding. Step 3: Force USB COM 1.0 Mode Open Device Manager on your Windows PC. Connect your USB extension cable to the PC.
Use tweezers to connect the test point to a ground source (the metal shield of the USB connector or a nearby metal plate on the PCB). Connect to PC: E8372h-153 Dead Boot Repair
: If the device boots but acts glitchy, use a paperclip to press the Reset button for 2 seconds while powered on.
How to reset the Huawei E8372 Turbo Stick to the factory default settings
Check Device Manager. You should see (usually COMxx). Step 3: Loading the Bootloader A DC-Unlocker or Huawei Calculator tool (to generate
The tool will check the firmware, unlock the bootloader temporarily, and write the new firmware to the chip. Do not disconnect the modem during this process. 4. Post-Repair Steps
Locate the on the motherboard. On the E8372h-153, the test point is typically a small, gold, circular pad located near the internal antenna structure or adjacent to the SIM card slot. Step 2: Boot into Emergency USB Boot Mode
: Check if another software program (like Huawei Mobile Partner) is running in the background and locking the COM port. Close all conflicting software. : You will need to bridge this specific
This is a general guide based on common procedures for Huawei devices. The exact test point or software version may vary for your device.
If you see – wrong baud rate or voltage mismatch. If you see nothing – dead BootROM (hardware failure) or wrong TX/RX swapped.