For factors affecting speed visit Flex: Not available to current Xfinity Video customers. If Gigabitx2 speeds are not available, we will provision your service at Gigabit Extra at the applicable rate. Faster upload speeds only available in upgraded areas but may not be available for certain customers, who will be notified. WiFi speeds affected by additional factors, including distance from Gateway, home configuration, personal device capabilities, and others. Many factors affect speed, including equipment performance, interference, congestion, and speeds of visited websites. Actual speeds vary and are not guaranteed. Gig-speed over WiFi requires Gigabit Internet and compatible equipment. Internet: Xfinity xFi is available to Xfinity Internet service customers with a compatible Xfinity Gateway. 30-Day Guarantee applies to one month's recurring service charge and standard installation. Pricing and programming subject to change. Services and features vary based on service level.