---
# System prepended metadata

title: How to Activate Your Xfinity Internet and Voice Services
tags: [How to Activate Your Xfinity Internet and Voice Services]

---

# How to Activate Your Xfinity Internet and Voice Services
In the modern era, having a dependable internet connection is of utmost importance, and Xfinity by Comcast stands as a provider offering top-tier internet and voice services to countless households across the United States. Whether you are an existing Xfinity subscriber or contemplating becoming one, understanding the steps to activate your Xfinity Internet and Voice services is crucial to ensure a seamless online experience. In this blog post, we will provide you with a comprehensive, step-by-step guide on how to activate these services, whether you're using an Xfinity Gateway or an approved third-party device.

![](https://hackmd.io/_uploads/r1-OUI30n.jpg)


## How to Activate Your Xfinity Internet - 1-888-479-9644

*Activation with an Xfinity Gateway*

1. **Download the Xfinity app**:
   - Create your Xfinity ID and password.
   - Log in.

2. **Identify your device**:
   - Locate the QR code on the bottom or side of your Xfinity Gateway.
   - Utilize your smartphone's camera to scan the QR code; a green checkmark will appear.
   - Alternatively, manually input your gateway's CM MAC Number or SSID number.

3. **Place your gateway or modem**:
   - Find the central cable outlet in your home.
   - Avoid exterior walls, metal surfaces, microwaves, and windows.
   - Keep it elevated, away from the floor, and free from obstructions.

4. **Connect your gateway**:
   - Attach one end of the coaxial cable to the Cable In/RF In port on your gateway and the other end to the cable wall outlet.
   - Ensure a secure connection.
   - Plug the power cord into your gateway and an electrical outlet.
   - For Xfinity Voice service, connect your telephone to the Tel 1 connection using a telephone cord.

5. **Name your WiFi network and create a password**.

6. **Wait for your gateway or modem to be ready**:
   - This process may take up to 10 minutes to complete.
   - The Xfinity app will provide progress updates.
   - Do not unplug your gateway or modem during this process.
   - Verify lights as described in the instructions.

7. **Connect all your devices**:
   - Once your network is set up, connect your wireless devices like laptops and smartphones to your WiFi network.
   - If you retained the same settings during activation, previously connected devices should automatically reconnect.

*Activation with an Approved Owned (Third-Party) Device*

1. **Place your modem**:
   - Locate the central cable outlet.
   - Keep it away from exterior walls, metal surfaces, microwaves, and windows.
   - Avoid placing it on the floor.

2. **Connect your modem**:
   - Plug the power cord into your modem and an electrical outlet.
   - Attach one end of the coaxial cable to the Cable In/RF In port on your modem and the other end to the cable wall outlet.
   - Ensure a secure connection.
   - For Xfinity Voice service, connect your telephone to the Tel 1 connection using a telephone cord.

3. **Establish a temporary internet connection**:
   - Connect through WiFi (if supported) using the Network Name (SSID) and Password printed on your modem.
   - Alternatively, connect through an Ethernet cable by plugging it into your modem and computer.

4. **Activate your modem**:
   - If you don't see a welcome message, visit xfinity.com/activate.
   - Follow the prompts to verify your Xfinity account and complete activation.
   - Your modem may restart; wait up to 10 minutes before connecting to your home network.

5. **Connect to your home network**:
   - After [activation](https://medium.com/@oliviafernandezz/how-to-activate-your-xfinity-internet-and-voice-services-5e9016d7819a), connect your devices to your WiFi network using the provided name and password.

*For More Self-Installation Assistance*:
Visit xfinity.com/selfinstall for videos, FAQs, and troubleshooting.

*For support in Chinese, Korean, Vietnamese, or Tagalog, call 1-888-479-9644*.

*Comcast Customer Service supports TTY/TTD or visit xfinity.com/ASL*.

*For further assistance, contact the Accessibility Support Center*.

***Additional Information*:**

- Explore common solutions, self-help options, and account management at the Online Support Center.
- Manage and troubleshoot your Xfinity experience with the Xfinity app, available for download from Google Play or the App Store or by texting "APP" to 266278.

### Need Assistance?
If you have any questions or encounter issues during the activation process, our dedicated assistance number is here to help:

**Call: 1-888-479-9644**

In conclusion, the activation of your Xfinity Internet and Voice services is a straightforward process when you follow these steps. Xfinity ensures that you can enjoy high-speed internet and reliable voice services, keeping you connected in today's digital world. If you ever need assistance, don't hesitate to reach out to the provided assistance number. With Xfinity, a world of online possibilities awaits you!