cannot buy unlimited data

Concern moved here to the Customer Service help section for greater exposure to Comcast corporate employees (The Digital Care Team) for assistance.

@user_wt9rjj

Thanks for reaching out to us I do apologize if you're not able to add the unlimited data https://www.xfinity.com/support/articles/exp-unlimited-enroll option from our website or our awesome Xfinity app. Go ahead and send me a direct message including your name and complete address and I'll be happy to assist you to adding the unlimited data plan to your services.

To send a direct message you may need to:

Click "Sign In"

Click the "direct message" icon

Click the "New message" (pencil and paper) icon

Type "Xfinity Support" in the "To:" line and select "Xfinity Support" from the drop-down list which appears. The "Xfinity Support" graphic replaces the "To:" line

Type your Message in the text area near the bottom of the window

Press Enter to send it