Upgrade xb7 to xb8

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

@Gtrc11 If you would like to swap out the equipment, you can visit a local service center to swap the equipment for free. If you are needing any assistance in locating a service center you can follow this link: https://www.xfinity.com/support/service-center-locations/ to locate one near you!