- "This device needs to be initialized before we can continue. Please call 1-855-OK-BEGIN and we'll get this taken care of for you.
Account Phone Number: [XXX-XXX-XXXX]
Cable card serial number: [XXXXXXXXXXX]
Cable modem MAC: [XXXXXXXXXXXX]
XRE-00253"
Next steps
If you continue to experience issues, please contact us using the method that is most convenient for you — chat with us online or call us to speak with a Comcast representative.