Go to Settings -> Device Information and check the and Serial Number .
Note: If the device shows up as an "Unknown Device" or shows an error triangle, reinstall your FC_Serial drivers and change to a different USB port. Step 3: Inject the Bootloader Payload Launch the utility on your PC.
Do not rush to desolder the flash chip. Follow this logical diagnostic flow:
Wait for the process to say "Update Successful." Do not disconnect the device.
Identify a ground source, such as the metal shielding of the USB plug or the large metal casing of the SIM slot. Step 3: Triggering Emergency Download Mode E8372h-153 Dead Boot Repair
Select the correct COM port that appeared in your Device Manager.
Before diving into the repair process, it's critical to understand that . Incorrect steps can permanently damage your device. Proceed at your own risk.
To force the modem into firmware update mode.
Your Huawei E8372h-153 is now fully repaired, unbricked, and ready for normal use. If you need help troublehooting this process, tell me: What or message do you see in the flash tool? How does the modem list inside Device Manager right now? What firmware version was on the device before it bricked? Go to Settings -> Device Information and check
I can provide the exact or troubleshooting steps for your specific situation. Share public link
This often indicates a mismatched partition table or the wrong loader file for your specific sub-model. Device not recognized:
If the modem is not detected, you must use the method: Disassemble the modem casing.
Once the process displays a "Success" message, the device will automatically reboot. 🧪 Step 5: Post-Repair Verification Do not rush to desolder the flash chip
Watch the progress bar. Once completed, the lights on your E8372h-153 might blink briefly, and the device will automatically disconnect and reconnect in Device Manager.
: Target boot file for the HiSilicon Balong chipset (usually usbloader.bin specific to E8372h).
Repairing a "dead boot" on the Huawei E8372h-153 —often caused by a failed update or corrupted partition—requires a hardware-level intervention known as the "needle method"
Now that the device is in USB loader mode, you must feed it a temporary bootloader to enable normal flashing. Download and open .