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activation process.
This process might take up to 15 minutes, during which the
modem router reboots a couple of times.
4. If you are unable to activate your modem router using the
XFINITY self-activation process, call Comcast XFINITY customer
service at 1-800-XFINITY (1-800-934-6489):
a. When asked, provide your account information and provide
the modem router’s model number and MAC address, which
are on the product label.
b. Wait for Comcast XFINITY to confirm that your
modem router is active.
c. If you do not get an Internet connection with the
modem router, ask Comcast XFINITY to look for your
modem router online, and do one of the following
depending on what Comcast XFINITY tells you about your
modem router:
• If the modem router is not visible, Comcast XFINITY can give
you instructions to verify why the modem router does not
connect with your high-speed Internet service.
• If the modem router is visible to Comcast XFINITY, reboot the
modem router. Check your online status again.
