: If the COM port is busy or not showing, try disconnecting and reconnecting the device without the battery inserted, as some Marvell devices require this for specific flashing modes.
Later in the process, you may need to manually update the in the Windows Device Manager to the "Marvell AT Interface" using the generic LTE drivers. marvell mifitool v1400exe install
: Ensure you are using a high-quality USB data cable. Some cables only provide power and will not allow the MifiTool to "see" the device. : If the COM port is busy or
In the MifiTool interface, use the drop-down menu to select this matching COM port. Key Features of V1.4.0.0 marvell mifitool v1400exe install
: You must run the executable with elevated privileges to allow COM port access. Step-by-Step Installation & Usage Process