Internet stability/modem restarts: Power supply adapter troubleshooting
If you're using an Optus Sagemcom F@st 5366 TN, Ultra WiFi Modem (Gen 1) or Ultra WiFi Modem (Gen 2) to connect to your Optus NBN service, you may be experiencing some stability issues, including your modem restarting intermittently. These issues may be caused by the power supply adapter that connects the modem to your power outlet.
Impacted customers will have been sent a replacement power supply adapter to use. To ensure you're getting the best performance from your modem, we recommend replacing your current power supply adapter with the new power supply adapter.
Once you receive the replacement power supply adapter, follow the instructions below to get connected:
