Can You Activate Xfinity Device Without App? Yes. Complete Guide

Last Updated on October 14, 2022 by Ron D. Morgan

Activating a device via the Xfinity app is by far the easiest way to do so. All you need to do is to download the app on your smartphone. Sign into the app, locate the device you want to activate, and follow the onscreen instructions to complete the process.

Are you wondering if there is an alternative way to activate your Xfinity device besides the Xfinity app? Yes. There are alternative methods to activate a third-party device on the Xfinity platform beside the app.

The alternative methods available are to contact Xfinity customer support to handle the activation process. The second method is to handle the activation process on the Xfinity site. Continue reading to understand the entire process.

Alternative Ways To Activate Third-Party Device On Xfinity (Comcast)

a. Xfinity Voice Activation

The voice activation method involves contacting the Xfinity Customer support team to guide you through the activation process. Before you contact the customer support person, you need to set up the device connection first. Follow the steps below to complete the setup process.

. Locate the coaxial cable outlet in your home.

. Plug in one end of the coaxial cable to the coaxial outlet and the other end to your device. That is the Xfinity gateway.

. Next is to plug in the power cords and turn on your devices.

After the setup, find your device’s CM-MAC code. The CM-MAC code is the 12-digit attached to your modem or Xfinity gateway.

With the details handy, contact an Xfinity technical support person at 800-934-6489. The tech support person will request for certain details from you to complete the activation process. The voice activation process takes 5 to 10 minutes to complete.

After that, you should be able to manage your account, set up extra control in your account, and connect your device to the network.

b. Xfinity On-site Activation

If you don’t have a smartphone to complete the activation process on the app, you can do so on the Xfinity site using your Personal Computer.

First, you have to complete the setup process. Check the voice option activation method on how to set up your device. After that, follow the steps below to complete the activation process:

. Turn on your modem or Xfinity gateway.

. Connect one end of your Ethernet cable to a Personal Computer and the other end to a modem or gateway.

. Visit the Xfinity activation page here.

. Click ‘Here’ below the activation page.

. Create an ‘Xfinity ID’ and ‘Password’.

. Verify and log into your account.

. Click the user icon on the top left of your account page to see details of the devices connected to the account.

. Select the device you want to activate to start the activation process.

. Part of the activation process is to upgrade the device firmware. During the firmware upgrade process, you will notice the orange light on your modem blinking. This process may take up to 15 minutes.


So far, this post has outlined other alternative ways to activate your Xfinity device besides the app. So, if you don’t have your smartphone handy, you can follow any of the methods in this post to activate your device in no time. Check out this other post for troubleshooting tips if your Comcast activation process is not working. 

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