If you do not have an active internet connection on the router, you can perform a manual update: How to Update your ZTE MF293N, How To - HardReset.info
To update or manage the firmware on your ZTE MF293N 4G LTE Wi-Fi Router Go to product viewer dialog for this item. zte mf293n firmware
The new firmware might have changed the gateway IP address. Open your computer's command prompt, type ipconfig , and check the "Default Gateway" address. Use that exact number in your web browser. Summary of Best Practices If you do not have an active internet
Sometimes, an update might not go as planned, or you may want to explore customization options. zte mf293n firmware