Disconnect any other devices that use the internet.If your internet plan advertises speeds above 100 Mbps, use a Cat5e, Cat6 or Cat7 Ethernet cable for the best results. Connect your computer directly to the modem using an Ethernet cable.However, keep in mind that these steps are not necessary to take the xfinity speed test. Tips for getting accurate Xfinity speed test resultsīefore starting your test, there are a few steps you’ll want to take to ensure it is accurate.
