The "1400" likely refers to of a specific utility. Many of these tools originate from independent developers and are shared on tech forums or specialized GitHub repositories. What is a "Repack"?
: Most MiFi management can be done without extra software by connecting to the device's Wi-Fi and entering its IP address (usually 192.168.1.1 or 192.168.0.1 ) into a browser. Download Center | TP-Link United Kingdom mifi tool 1400 download repack
: Visit the manufacturer’s site (e.g., TP-Link, Inseego, Netgear) and search their Download Center for official firmware and management tools. The "1400" likely refers to of a specific utility