Select the correct number matching the Download Port identified in Device Manager.
: A stock or unlocked firmware file (e.g., 21.328... ) and its matching WebUI file.
: Locate the specific "boot point" on the circuit board. You must short this point to the ground (GND) using tweezers while plugging the device into the USB port. Driver Check E8372h-153 Dead Boot Repair
Go to Settings -> Device Information and check the and Serial Number .
Did you lose power during a firmware update, or did the device stop working spontaneously E8372h-153 - postmarketOS Wiki Select the correct number matching the Download Port
Repairing a is not for beginners. It requires fine soldering, UART debugging skills, and access to correct firmware blobs. However, by forcing USB download mode or using UART to interrupt a partially alive bootloader, 70% of "dead" units can be revived. The remaining 30% involve NAND replacement or core voltage regulator failures.
The utility will detect the modem, flash the user interface components, and finalize the file system partition setup. Once completed, the modem will automatically reboot. Step 6: Post-Repair Verification and NVRAM Fixes : Locate the specific "boot point" on the circuit board
While holding the short firmly, plug the modem into a USB port on your PC. Hold the short for 2 to 3 seconds, then release it.
: Your testpoint was not grounded correctly when plugging it in. Unplug it, verify your tweezer placement, and try again.
This guide provides a step-by-step technical walkthrough to resurrect your bricked Huawei E8372h-153 using the hardware test point method. Prerequisites and Required Tools