Firmware acts as the operating system for your mobile router. Updates for the MF920U typically include:
Resolving issues like connection drops or web interface lag. Zte Mf920u Firmware
Before looking for an update, you should identify which version you are currently running: ZTE MF920U Quick Start Guide - Manuals.plus Firmware acts as the operating system for your mobile router
Protecting your network from unauthorized access and vulnerabilities. Zte Mf920u Firmware