: Supports both 5G (NSA & SA) and 4G LTE Cat 20 , with theoretical download speeds up to 3.3 Gbps .

After enabling bridge mode to use your own router, the Sagemcom reboots hourly. Cause: Firmware fails to fully disable DHCP and the firewall in bridge mode. Fix: You need firmware 2.2.5 or later. Also, after enabling bridge mode, power-cycle both the Sagemcom and your personal router, connecting them only after 2 minutes.

If you see a generic “Vendor Configuration File” or no version number, your ISP has locked the interface. You will need to proceed to the next section.

If you suspect your firmware is outdated or you're experiencing stability issues, you can check for updates through the web interface. 5G Home Internet Plan Support - Vodafone Australia

Sagemcom Fast 5866t Firmware