: Install the WTPTP Driver and the Marvell AT Interface drivers. Without these, your PC will not recognize the MiFi device in the correct mode.
: Open Marvell MifiTool V1.4.0.0.exe , select the correct COM port, and input your device's original IMEI, MAC, and SN.
: Enables the input and verification of the device's MAC address and Serial Number.
: Always take note of your original device details (IMEI, SN, MAC) found under the battery or on the dashboard before starting.
: Once connected via USB, check the Windows Device Manager to identify which COM port the "Marvell AT Interface" is assigned to.
To successfully use this tool, you typically need to follow a multi-step process involving drivers and initial flashing tools like SWDownloader .
: Often, the device must first be flashed with a generic firmware using SWDownloader.exe to enable the necessary "AT Interface" communication port.
: Allows you to restore or write the International Mobile Equipment Identity (IMEI).
: Specifically used to trigger the "Unlock Success" state, allowing the device to accept SIM cards from different providers.
: As a standalone .exe file, it does not require a formal installation process; it can be run directly from a USB drive or local folder. How to Use Marvell Mifi Tool V1.4.0.0