Xfinity Cable Box which has Xfinity as the trade name of Comcast Cable Communications, LLC, is a subsidiary of Comcast Corporation, which is used to market consumer cable television, telephone, internet, and wireless services provided by the company.
Here’s a table summarizing the important information provided for activating the cable box:
| Method | Steps/Information |
|---|---|
| Activate using the Xfinity app | 1. Use the Xfinity app for activating Xfinity xFi Pods or an Xfinity xFi Gateway (except xFi Fiber Gateway, Arris X5001). 2. Download the Xfinity app from Google Play or the App Store. 3. Sign in using your Xfinity ID and password. 4. Select the Account tab and then choose either “Activate xFi Gateway or Modem” or “Activate xFi Pods” under the Devices section. |
| Activate equipment online | 1. Connect your Internet, Voice, and/or TV equipment and turn it on. 2. Visit xfinity.com/activate for activation instructions. 3. For Xfinity Mobile device activation, visit xfinitymobile.com/activate. |
| Activate equipment on your TV | For activating an X1 TV Box, refer to the guide on how to activate Xfinity X1. |
| Additional resources | – Find your channel lineup. – Search Xfinity TV and Xfinity On Demand. – Locate your account number. – Understand your first bill. – Set up automatic payments. – Explore videos, FAQs, and troubleshooting support at xfinity.com/selfinstall. |
After receiving a cable TV set-top box from Comcast, it will need to be activated before you can receive channels on it. You can activate your cable box online or by calling Comcast. Newer X1 cable boxes can be activated directly from your TV. Comcast will not activate cable boxes purchased used.
How to Activate Xfinity Cable Box
- Installing the New Cable Box
- Activating the Cable Box
- Troubleshooting
Installing the New Xfinity Cable Box
| Connect the “HDMI to TV” port on the cable box to the HDMI port on the TV. | Connect the “Cable In/RF In” to the cable wall outlet. |
| Connect the “HDMI to TV” port on the cable box to HDMI port on TV. | Use HDMI cable present in the box or you purchased. Check on HDMI port used for easily switching later. Use HDMI Out port on the box and not Input ports. No HDMI port on TV, use a coax cable to connect the “To TV/RF Out” |
| Power On | Plug it in to the Power connector on the back of the box. |
| Switch TV to correct input. | Switch to the HDMI input to match port. When using coax cable to connect the box, switch to channel 3 or 4. |
| Connect any additional digital adapters. | With multiple TVs and active coax outlets, use digital adapters to connect cable to additional TVs. Each adapter will need its own coax wall outlet. Use a coax cable to attach it to the wall outlet, HDMI /coax cable to connect the adapter to the TV, and then connect the power adapter. |
Activating the Xfinity Cable Box
| Turn on the cable box. | With Power button, press it to turn it on. Cable boxes will take up to 20 min to warm up initially. |
| Activate on the Comcast website. | The quickest way is to visit the Comcast Activation site. Visit xfinity.com/activate. Enter account number & phone number and wait for activation. |
| Activate by calling Comcast. | When online activation service is not working, use phone: Be ready with account number & cable box serial number. For digital adapters, keep the serial numbers for those ready. Call 1-855-OK-BEGIN (1-855-652-3446). Enter the requested numbers whenever prompted, including the telephone number associated with the account and wait for cable box to get activated within 20 minutes. |
| Activate using the on-screen menu | While using a newer X1 box then activate using the on-screen menu. Ensure the TV is set to the X1’s input to see X1 startup screen. Select language and wait while the X1 starts up. The initial startup time will take a while to complete for downloading the updates. Enter the information needed to verify account viz., phone number, the last four digits, or the account number. Select a name for X1 box and wait to activate within 20 minutes or so to complete. |
Xfinity Cable Box Troubleshooting
| Avoid buying used cable boxes. | The error code mentioned is related to the account billing, and need to be dealt by contacting Comcast to verify the billing information and payment status. |
| Check the connections. | When purchasing a cable box from eBay, Craigslist, or any re-seller, Comcast will not activate it as it is actually an un-returned rental. Ensure to get cable boxes directly from Comcast for new service, replacements, or additions. |
| Schedule a service visit. | A weak connection to wall coax outlet or to the cable box would cause activation issues. Ensure the coax cable is tightened at both ends. |
| Activate equipment quickly. | A weak connection to the wall coax outlet or to the cable box would cause activation issues. Ensure the coax cable is tightened at both ends. |
| Contact Comcast for error code RDK-03007. | Comcast recommends activating equipment within seven days of the date of the order. Interference may be caused by the activation while waiting. |
Hope that you will now, enjoy the services of Xfinity Cable Box without any hassle.