Difficulty Level: Advanced (JTAG/Serial required)

: Check if another software program (like Huawei Mobile Partner) is running in the background and locking the COM port. Close all conflicting software. E8372h-153 Dead Boot Repair

Device Manager Shows "Unknown USB Device (Device Descriptor Request Failed)" Difficulty Level: Advanced (JTAG/Serial required) : Check if

Reinstall the "Handset Product" drivers and try a USB 2.0 port. E8372h-153 Dead Boot Repair