| Activate Modem using Self Starter Kit [2024]

To services, you can visit the Xfinity website ( and click the “Activate” button. From there, follow the prompts to complete the activation process for your Xfinity account and services. You can contact Xfinity customer support for assistance if you encounter any issues during the activation process.

What is Xfinity TV

Xfinity is a well-known brand in the US, providing cable, internet, phone, and home security services to millions of customers. Xfinity offers a wide range of services, but you need to activate them first to access them. is the website you visit to activate your Xfinity services. Gateway 

  • To activate an Xfinity Gateway, Go to or and look for the best deals on Internet, Video, and Mobile services online.
  • Enjoy some entertainment, stay connected, and get the help you require via the Internet.
  • To set up an Xfinity Gateway, you’ll need to download the Xfinity xFi app, which you can get from the App Store or Google Play.
  • A button on the television would trigger it.
  • Comcast will not activate cable boxes purchased secondhand.

Activate Xfinity via

  • Open a browser and go to
  • Follow the onscreen instructions to check your Xfinity accounts and finish the activation process.
  • After you’ve completed the modem, you may be able to use your modem or gateway again.
  • Connect your devices using your WiFi name and password if your modem or gateway supports a wireless link.
  •  To install an Xfinity gateway on your device, go to its official website to download the app and install it.
  • You can find the best deals on the Internet, mobile, and video services.

Read Also: 

Activate your Xfinity device:

First, Go to and follow the simple steps:

  • Set up your modem or gateway.
  • Set up your gateway.
  • Connect to the Internet or Use WiFi to connect.
  • Look for the Network Name (SSID) and Password on the side, back, or bottom of your gateway or modem for the Network Name (SSID) and Password.
  •  The name could be Home-XXXX or XFSETUP-XCRBHB
  • Go to your WiFi settings and choose Network Name from the list of available networks.
  • When prompted, type the password.
  • If you’re asked for a PIN rather than a password, click the Connect Using a Security Key link and type the password in the Security Key field.
  • Turn on your modem or gateway.
  • Go to in a web browser.
  • You’ll need your account information if you haven’t set up a username and password yet.
  • Establish a connection to your home network.
  •  If your gateway or modem supports a wireless connection, connect your devices to your WiFi name and password for your home network after activation.

Read Also:

Activate my New Comcast Xfinity modem

  • Open a web browser and go to the link.
  • Check your Xfinity account and complete the activation process.
  • Your gateway or modem may restart after you complete the Xfinity activation.
  • Obtain access to your home network.
  • If your gateway or modem supports a wireless connection, connect your devices with your WiFi name and password for your home network after activation.
  • Your previously connected devices should automatically reconnect if you replaced your Xfinity Gateway and kept the same settings during activation.

Read Also: Activate 

What is Xfinity xFi, and how to Setup and use it:

  • You can control your home wifi network and connect your home with Xfinity xFi.
  • You can use the Xfinity app or the xFi website to access the xFi experience at no additional cost.
  • On your Xfinity X1 TV Box, you can also check your wifi settings and other home network information.

Note: Once your xFi Gateway is activated, you can access xFi if you’re a new Xfinity Internet user.

  • Suppose you have an eligible Xfinity Gateway and are a current Xfinity Internet user.
  • In that case, you can log into the >Xfinity app or the xFi website and start utilizing xFi as soon as you’re ready.


  • xFi is compatible with all xFi Gateways.
  • Cisco DPC3939 model has restricted the xFi capabilities, which does not support most of the xFi features
  • You won’t be able to use Xfinity xFi if your xFi Gateway is set to Bridge Mode.
  • One active xFi Gateway per account is required for Xfinity xFi to function.
  • It’s possible that you won’t be able to use xFi if you need numerous modems to satisfy your service needs.
  • It applies to both rental and customer-owned modems.
  • The activation of xFi Pods is also prevented by having a second active modem on the account.
  • You can find more information about equipment updates here.
  • Go to the Devices tab in My Account or glance at the bottom of your Gateway to discover which model you have.

How to Set Up and Use xFi

  • The Xfinity app is the easiest way to utilize xFi to manage your home wifi network.
  • You can also use your X1 TV Box to access xFi online.
  • Download the free Xfinity app to the Apple App Store or Google Play store.
  • Sign in as a main or manager.
  • Find out more about the Xfinity app.
  • If your Xfinity ID is linked to multiple accounts, you’ll be prompted to choose one when you sign in.
  • To view an account, select the account you’d like to access and click Continue.
  • You can switch accounts later by signing out and then signing back in with a different account.
  • On your iPad, go to the App Store search settings in the upper left-side to download the Xfinity app.
  • It would help if you changed the option from iPad to iPhone only, then typed “Xfinity” into the search box.

Mobile Operating Systems that are supported

  • iOS 13 and above
  • Android 7.1 and above
  • Please keep in mind that You may not completely support beta versions.
  • Phones from Microsoft and Amazon aren’t supported.

Discover the xFi online experience (Supported Browser):

  • Chrome
  • Safari 10 
  • Microsoft Edge 

Set Up X1

  • If you have an Xfinity Voice Remote, click the Microphone button and say, “What is my wifi password?”
  • The wifi Name and Password for a Gateway are displayed along the bottom of a TV screen.

You can also use one or more of the following voice commands:

  • You may also see the following information in addition to the wifi name and password:
  • You’ll see a Pod status if you’ve added xFi Pods to your network.
  • If you’ve enabled xFi Advanced Security, you’ll get threat information.
  • Information on how to place your Gateway for the best speed and coverage is available in the wifi help section.
  • Set parental control PINs to lock xFi on X1 with this guide.

Features of xFi

xFi provides features to help you manage your home network, such as:

  • Identifying which devices are linked to your home network and assigning nicknames to them for simple identification.
  • Creating profiles for each family member’s devices.
  • When connected to your home network, you can halt an individual device or a profile from accessing the Internet for a set amount of time or until you unpause it.
  • Learn the ins and outs of pausing and unpausing.
  • Set up Parental Controls and sleep routines to ensure your children have access to appropriate content at the proper times.
  • Viewing and updating the name and password of your wifi network.
  • Identifying who and when are the most active users on your home network.
  • Many WiFi-related difficulties can be troubleshot and self-solved in minutes.
  • Port forwards can be added, edited, or deleted.
  • Using advanced capabilities to tailor your home network even further.
  • On X1, you can get information about your home network.
  • With xFi Pods, you can extend your home wifi coverage and provide connectivity to hard-to-reach areas.
  • You can watch real-time videos on the Xfinity app, and if you have Self Protection or Xfinity Home with cameras, 24/7 Video Recording.
  • You may also use the app to switch on sound, create motion notifications, and rename, reboot, or remove cameras.
  • Compatible Xfinity Cameras and Xfinity Video Doorbells have two-way audio.

 Activate the Xfinity Stream Beta App on Roku

Find out how to activate the Xfinity Stream Beta app via on your Roku.

  • Open the app from the Roku Channel Store’s Xfinity Channel and select sign in.
  • Note: Go to the “Streaming Channels” area on any Roku device’s main screen in the left-hand menu to access the Channel Store.
  • Sign In is at the top right of the app launch screen.
  • On your Roku or Roku-connected device, you’ll see the Activation Code screen.
  • From a different device, go to (like a mobile phone, tablet, or desktop – not from your Roku).
  • The activation page includes 6 slots for entering the activation code and a link to
  • Enter the six-digit code issued by the Roku device into the web browser.
  • Enter Code option on a web browser.
  • Select Sign In after entering your Xfinity ID and password.
  • Sign-in screen with username and password.
  • The option to sign in is located in the middle of the screen.
  • On your Roku-connected device or Roku TV, the Terms of Activation will appear.
  • Scroll down to read the terms, then click Yes to accept and proceed.
  • The activation process will restart if you choose No Thanks.
  • Done

Terms of Activation

  • Customers with a cloud DVR will see a Terms of Activation screen.
  • Terms of Activation, if You Don’t Have Cloud DVR Non-cloud DVR subscribers, will get the Terms of Activation screen.
  • Select Confirm after giving your gadget a name.
  • Screen with a keypad for naming devices.
  • You’ll see the main menu and be able to use the app right away!
  • Roku home page for the XFINITY Stream Beta software.

Note: If you have two or more linked Xfinity accounts and are having trouble activating the Xfinity Stream Beta app on Roku, you may receive the following message:

“Welcome! This device can only use Xfinity Stream when connected to your home’s Wi-Fi. You may watch on the move using the app on your smartphone, tablet, or laptop anytime. Error TVAPP-00101.”

To fix this issue:

  • Go to and select Make This Primary for the account you want to use to activate your Roku device.
  • For information on setting the proper default/primary account, see How to Link, Unlink, and Switch Between Multiple Accounts.

How to Activate Your Xfinity Internet Service

  • Download the Xfinity app to get online and set up your Internet in minutes, with real-time support if needed. It’s the most convenient way to connect.
  • If you’re replacing an existing device in your home, ensure it’s turned off before proceeding with the activation steps below.

If You Have an xFi Gateway or You Purchased Your Own Approved Modem/Router:

  • The Xfinity app makes it simple to activate an xFi Gateway or an approved modem/router (download via the App Store or Google Play).
  • A professional installer can only activate the Arris X5001 xFi Fiber Gateway.
  • It can not do it through the Xfinity app.
  • Look at the bottom of your gateway to see which model you have.
  • If you aren’t prompted to activate after signing into the Xfinity app, go to the Account icon in the top-left corner of the Overview tab and select Activate xFi Gateway or Modem under the Devices section.
  • For more information, see Activating and xFi Gateway Using the Xfinity App or Activating Your Modem Using the Xfinity App.

If You Have Xfinity Voice or Live in a WiFi Ready Apartment:

Follow the steps below to activate Xfinity Voice service without Xfinity Internet, activate a pre-installed Xfinity Gateway in your WiFi-Ready apartment, or if your mobile device doesn’t support the Xfinity app.

Place your gateway or modem in the first position:

  • Locate the most centrally located cable outlet in your home.
  • Keep your gateway or modem away from exterior walls, metal surfaces, microwaves, and windows.
  • Avoid crowded areas and anything that could interfere with the device’s signal.

Set Up Your Gateway:

  • Connect the power cord to the back of your gateway before plugging it into an outlet.
  • Connect one end of the coaxial cable to your gateway or modem’s cable In/RF In port and the other end to the cable wall outlet.
  • Double-check that this connection is finger-tight.
  • If you have Xfinity Voice, use a telephone cord to connect your phone to the Tel 1 connection on your gateway or modem.

 Modem or gateway to be ready:

  • Before moving on to the next step, double-check that the lights appear as described below.
  • During this procedure, do not unplug your gateway or modem.
  • If your Xfinity Gateway has multiple lights on the front, the Power, US/DS, and Online lights should stay solid for at least one minute before the 2.4 GHz, and 5 GHz lights blink.
  • If your Xfinity Gateway only has one light on top, it should stay solid white for at least one minute.
  • If you have a third-party modem, follow the manufacturer’s instructions to determine when to activate it.

Also Read: login/begin 8 digit code

Connect to the Internet temporarily:

The next step is to connect to the Internet, either via WiFi or an Ethernet cable:

  •  Connect via WiFi (if your gateway/modem supports it)
  • Look for the Network Name (SSID) and Password on the side, back, or bottom of your gateway or modem for the Network Name (SSID) and Password. XFSETUP-XXXXXXX.
  • Select the Network Name from the list of available networks in your WiFi settings.
  • When prompted, type the password.
  • If you’re asked for a PIN rather than a password, click the Connect Using a Security Key link and type the password in the Security Key field.

Use an Ethernet cable to connect:

  • Until it clicks, plug the Ethernet cable into one of the open ports on your gateway or modem.
  • Connect the other end to your computer’s Ethernet port.
  • When the Ethernet port is successfully connected, it will light up.

Turn on your modem or gateway:

  • If you don’t see a welcome message to begin set up after establishing a temporary Internet connection, open a web browser and go to
  • Verify your Xfinity account and complete the activation by following the onscreen prompts.

Establish a connection to your home network:

  • If your gateway or modem supports a wireless connection, connect your devices to your WiFi name and password for your home network after activation.
  • Your previously connected devices should automatically reconnect if you replaced your Xfinity Gateway and kept the same settings during activation.
  •  Go to your WiFi-enabled devices’ WiFi settings.
  • You can connect your devices to your home network once your WiFi name appears on a list of available networks.
  • Type in the name of your home WiFi network and the password to connect.
  • If you changed it during the activation process, use the new one you created.
  • The built-in Xfinity WiFi home hotspot (xfinity wifi) on Xfinity Gateways may take up to 24 hours to broadcast. Questions about the Xfinity WiFi Home Hotspot can help you learn more about the device.

Activate the Device in Your Getting Started Kit

  • Installation and activation instructions are included in every Getting Started kit. You can be found in your Xfinity folder.

Using an App, Activate Your Equipment Online

  • You can use the Xfinity app to activate Xfinity xFi Pods or an Xfinity xFi Gateway (except for the Arris X5001).
  • After you’ve completed the setup, you can manage your home network with the Xfinity app.
  • Check the make and model information on the bottom of your device to figure out what kind of gateway you have.
  • Sign in to My Account and choose Devices from the drop-down menu.
  • Get the Xfinity app from Google Play or the App Store for free.
  •  Enter your Xfinity ID and password to log in.
  • You can create one from the sign-in page if you don’t already have one.
  • If you’re activating a gateway, you may be prompted to begin the activation process as soon as you log in.
  • Proceed to step 3 if you are not prompted.
  •  Select the Account icon from the top-left corner of the Xfinity app’s Overview tab once you’ve signed in.
  • In the Devices section, click Activate xFi Gateway or Modem.
  • If activating xFi Pods, go to the Devices section and select Activate xFi Pods.

Activate Your Equipment Through the Internet

You can easily activate your equipment online if you’re signing up for Xfinity Internet, Voice, or any TV service other than X1.

  • Turn on your Internet, voice, and television equipment.
  • For simple instructions, go to or Go to mobile your Xfinity Mobile device.
  •  For more information, visit install or watch the Getting Started kit Installation Videos and Guides.
  • Install and Activate Your New Gateway or Modem has step-by-step instructions for setting up Internet service.

Using the Xfinity App to Activate Your Modem

  • As long as your modem or gateway is eligible, you can use the Xfinity app to activate it.
  • To see if your device is compatible with Xfinity services, go to the My Device Info website.
  • Learn how to use the Xfinity app to activate your device in the rest of this article.
  • Download the Xfinity app for free from the Apple App Store or Google Play before you begin.

Getting Your Modem or Gateway to Work

  • Log in to the Xfinity app with your Xfinity ID and password. 
  • After you’ve found an Internet connection, you’ll be prompted to begin the activation process.
  • Connect the Coax cable via activate cable box to an active cable outlet in your home and the back of your modem, making sure both connections are finger tight.

Important Note:-If you have Xfinity Voice, after connecting your coax cable, you should also connect your phone cord from the back of your phone receiver to the back of the modem.

  • Connect your modem’s power cord to a wall outlet.
  • Type in the 12-digit MAC address of your modem.
  • You’ll be prompted to Check Your Connection once your modem is connected to a coax cable in an active outlet and the power cord is plugged into an electrical outlet.
  • They will activate your modem with Xfinity service once you’ve connected.
  •  Your Xfinity Voice number (s) in the success message if you have Xfinity Voice and your modem activation and provisioning, were successful.
  • It will confirm without a phone number if you don’t have Xfinity Voice. 
  • Once your modem is activated, you can use the Xfinity app to view payment details, access Xfinity Assistant for account concerns, run speed tests on your device, and restart your modem.

Important:-Please note that if any errors occur during activation, you will be contacted by text message by an agent who will assist you.

  • We’ll call you if an agent cannot chat via text.

Benefits of activating Xfinity services

  • Activating your Xfinity services has several benefits, including access to a wide range of services and savings on monthly bills.
  • With Xfinity services, you can enjoy TV streaming services, high-speed internet, home phone, and home security services.

Features of Xfinity services

  • Xfinity services come with several features that enhance your user experience. For TV streaming services, you get access to live TV, On Demand content, and DVR services.
  • Internet services come with high-speed internet, Wi-Fi access, and parental controls. Home phone services include unlimited calling, caller ID, and voicemail services.
  • Home security services include 24/7 professional monitoring, smart home automation, and remote access.


In conclusion, activate is the website you visit to activate your Xfinity services, which include TV streaming services, internet services, home phone services, and home security services. Activating your Xfinity services is easy and comes with several benefits, including access to a wide range of services, savings on monthly bills, and enhanced user experience. If you encounter any issues during activation, Xfinity customer support can assist you.

Reference Link


Do You Have to Call to Activate Xfinity?

Yes, you need to call Comcast or Xfinity to activate your service. You must provide your address and contact information and select a plan that best fits your needs. Once you have the activation code, you can either call Comcast or Xfinity to activate your service, or you can log in to your Xfinity account and enter the code manually.

How Do I Activate My Xfinity Equipment?

To activate your Xfinity equipment, connect the device to your internet service and follow the on-screen instructions. After entering the activation code, you can use your Xfinity equipment, including your modem and router, to access your internet service.

Where is the activation code for Xfinity?

The activation code for Xfinity is usually found on the back or bottom of your Xfinity modem. If you experience any problems during the entering activation code or anything else, you can contact customer service for further assistance.

How Do I Activate My Xfinity Modem?

To activate your Xfinity modem, you need to connect the modem to your internet service and then follow the on-screen instructions. You can also refer to the Xfinity website for more detailed instructions on activating your modem. 

The Xfinity app didn’t prompt to activate?

The Xfinity app may not always prompt you to activate your equipment. In this case, you will need to enter the activation code manually. If you have any problems activating your Xfinity modem, contact Xfinity customer service for assistance.