E8372h-153 Dead Boot Repair Direct

Once you have UART or USB Fastboot access, you must rewrite the corrupted bootloader partitions.

If only USB loader mode works:

sudo ./balong_flash -p /dev/ttyUSB0 -f xloader.img -a 0x00000000
sudo ./balong_flash -p /dev/ttyUSB0 -f fastboot.img -a 0x00010000
sudo ./balong_flash -p /dev/ttyUSB0 -f boot.img -a 0x00020000

Note: Addresses vary by NAND geometry. Use -d to dump the current partition table first. E8372h-153 Dead Boot Repair

The E8372h-153 has engineering test points hidden under the metal shield. Accessing UART gives you raw boot log output and interrupt ability. Once you have UART or USB Fastboot access,

A: Yes, if the current draw is normal and the device enters download mode. Many cases are recoverable without opening the device. However, if the bootloader partition is completely erased, you may need hardware test points. Note: Addresses vary by NAND geometry