Always backup your original firmware using the ZTE Backup Tool before flashing. That way, if "better" becomes "broken," you can always go home.
Uninstall any existing ZTE or mobile broadband drivers from Windows. Reboot. This prevents conflicts. zte mf79u firmware better
adjustments. This helped avoid tethering restrictions from carriers that usually blocked modem usage on mobile-only plans. A Cleaner UI: Always backup your original firmware using the ZTE