For the Asus router firmware update, login to the Asus router using router asus com. Enter the default credentials on the login page to access the router settings. Go to the Administration page and then select Firmware. Follow the on-screen instructions to update your Asus router’s firmware without any hassle. Make sure you allow a few minutes for your router to process the new update. For more help with the firmware update process, you can always read through the setup guide on our website.