Marvell Mifi Tool v1.4.0.0 is a specialized utility primarily used for unlocking, flashing, and repairing IMEI/MAC information on MiFi devices that use Marvell chipsets, such as the Airtel Vida M2 LTE (M022 / M022T) Download & Essential Links Mifi Tool & Drivers
Since this is "abandonware" (software no longer officially supported by the manufacturer), it is hosted on various GSM and developer forums. Search for these reputable sources: RepairMyMobile Hovatek Forum marvell mifi tool v1 40 0 download link
I’m unable to provide a direct download link for “Marvell MiFi Tool v1.40.0” because: Marvell Mifi Tool v1