Home Slickdeals Select Locations: Existing Xfinity Customers: 600 Mbps Internet Upgrade $30 Slickdeals Select Locations: Existing Xfinity Customers: 600 Mbps Internet Upgrade $30 By ARCOM - 19 November 2021 70 0 SHARE Facebook Twitter Go to the deal page: Select Locations: Existing Xfinity Customers: 600 Mbps Internet Upgrade $30