: Within the "Check New Version" section, click the Check button to see if the router can find a newer version from ZTE's servers automatically.
User forums often contain the most up-to-date information from owners who have found working firmware. The following threads are worth investigating: zte mf10 upgrade firmware link
Never flash firmware over Wi-Fi. Connect your computer directly to the ZTE MF10 LAN port using an Ethernet cable. : Within the "Check New Version" section, click
This is the most critical step. The router will reboot automatically. This process can take anywhere from 2 to 5 minutes. The lights on the front of the router will blink errastically during this time. Once the lights stabilize, the update is complete. Connect your computer directly to the ZTE MF10
This is the most common method if you have downloaded a firmware file.
Here is the direct link to download the latest firmware for ZTE MF10:
Click or Update and allow the software to overwrite the flash memory. Do not unplug the cable or close the window until a "Success" prompt appears. Troubleshooting Common Upgrade Failures