Launch Marvell MifiTool V1.4.0.0.exe . If the port isn't detected, manually select the COM port you identified earlier.

Often provides the tool along with specific firmware for Airtel M2 devices at their resource thread.

You need "Marvell AT Interface" drivers. These are often included in "LTE MiFi Generic Driver" packs found on community forums like Hovatek .

models used by providers like Smile and Africell. M023T variants. How to Use Mifi Tool 1.4.0.0

The is a specialized utility designed for managing and unlocking Marvell-based LTE MiFi routers. It is widely used by technicians to modify device identifiers like IMEI and MAC addresses, or to unlock network-restricted devices. Key Features of Mifi Tool 1.4.0.0

Allows users to input and write new IMEI, MAC, and serial numbers directly to the device.

Reads and displays critical hardware info, including the PCB version and current lock status. Compatible Devices

Because this is a legacy utility, it is typically hosted on community cloud drives or developer forums:

Enables users to unlock routers from specific carriers like Airtel, Africell, and Vodafone, allowing the use of any SIM card.