Upgrade Modem from XB6 to XB8 or XB10

user_gdxn2j, It is usually sent depending on any changes to the Internet speed in your area, and or the modem's lifespan status. We can take a further look to confirm. Please send our team a direct message with your full name, the name listed on the account (if different), and the service address associated with your account.
To send a Direct Message, please click on the “Direct Message” icon in the top-right corner of the screen, next to the bell icon, click the "New message" (pencil and paper) icon, then type or select "Xfinity Support". Type your message in the text area near the bottom of the window and press Enter to send your message and initiate a live session.