Huawei Mobile Partner . This is the gold standard for managing Huawei hotspots. It allows for easy APN (Access Point Name) configuration and USSD code execution.
Using your MiFi as a wired modem to provide internet to a desktop without a Wi-Fi card. mifi tools and drivers download
Some devices stay in "Mass Storage" mode (appearing as a CD drive). You may need to "Eject" the virtual drive for the modem drivers to initialize. Huawei Mobile Partner