As an Xfinity Mobile customer, you will get important updates from Xfinity about your account. This includes how much data you have used, billing, and order statuses. Keeping your contact information up to date is the best way to stay in the know.
Update using the Xfinity app
- Open the Xfinity app and select the Account icon in the bottom right corner.
- Select Account settings.
- Select Xfinity ID and security.
- Select the information you want to edit.
- Choose Continue once you're done editing.
Update online at xfinitymobile.com
- Go to your Xfinity Mobile account.
- Go to Settings.
- Choose Edit contact information under Xfinity Mobile Account Holder.
- Verify your identity to continue. You can do this with a notification on the Xfinity app or a code sent through text or email.
- Approve the Xfinity app notification or enter the code to confirm it’s you. Now, you can update your contact information. Enter your current phone number and email.
- Select Save.
Note: Updating the email address on your account won’t change your Xfinity Mobile login information. You can still log in to your Xfinity Mobile account with your Primary Xfinity username and password. If you want to update your account login, you can change your Primary Xfinity username or reset your password.
Additional information
Visit our Online Support Center to find common solutions.

The easiest way to activate, manage, and troubleshoot your Xfinity experience is with the Xfinity app! Get 24/7 real-time support, pay your bill, view plan details, get outage updates, and more. Download the free Xfinity app, or scan the QR code with your smartphone.
Need additional support? Ask Xfinity Assistant.