A "dead boot" on the Huawei E8372h-153 typically means the device is bricked and no longer recognized by your computer, often due to a failed firmware update or an interrupted flashing process 1. Initial Reset Attempt
Force the modem into Download Mode:
Works if device is in Download Mode (detected by lsusb with ID 12d1:36**).
git clone https://github.com/forth32/balong-usbdload
cd balong-usbdload
make
sudo ./balong_flash -f /path/to/E8372h-153_UPDATE.bin