Update the device with the latest version of the operating system.Learn more about the maximum possible download speeds achieved using 1 Gig service on a variety of wireless and connected devices. You won't be able to reach maximum Internet speeds of your chosen Fiber plan when connected by Wi-Fi.The speed test checks your upload and download speeds and displays the results.įor best speed test results, here are some helpful tips: All hardwired speed tests should be conducted using the 10G LAN port on the back of the router or direct to the Fiber Jack or Optical Connector.