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Device guides for

OPTUS Ultra WiFi 5G Modem

Most searched guides

Update the router firmwareEstablish a connection to your router's web interfaceOptimise Wi-Fi signalSet up your router for internet

I can't use my internet browser

If you've problems using your internet browser, there may be several causes of the problem.

You may need to change some settings if you've installed third party security software on your computer. If your firewall or anti-virus program isn't correctly set up, you can't use your internet browser.

Solution: Open your firewall or anti-virus program and check that your internet browser is allowed to establish a connection to the internet.

If the wrong security or network settings have been selected in the internet browser, you may not be able to use your internet browser.

Solution: Try using a different internet browser to check if the internet browser settings cause the error.