The tool he eventually found was not glamorous — a compact executable with a plain GUI and a terse README. It announced itself as compatible with Marvell-powered MiFi devices and referenced V1400 in a changelog. He ran it in the sandbox. The utility probed the hotspot, read the chip ID, and displayed current firmware: an old build from
: Capable of reviving devices that do not power on due to software corruption. Port Management marvell mifi tool v1400 download new