The 1.2 Terabyte Internet Data Usage Plan does not currently apply to Xfinity Internet customers on our Gigabit Pro tier of service. The plan also does not apply to Internet Essentials and IEPP customers, Business Internet customers,customers on Bulk Internet agreements and customers with Prepaid Internet. Additionally, customers who enroll in the Unlimited Data Option are not affected by the 1.2 Terabyte Internet Data Usage Plan.
Note: The usage meter is not currently available for Internet Essentials and Internet Essentials Partnership Program (IEPP) customers.
https://www.xfinity.com/support/articles/data-usage-what-is-the-terabyte-data-usage-plan
