Connect it to the coax line / outlet and power it up. Let it fully sync up with the system. Check that the front or the top panel indicator light(s) is / are steadily lit. Next step. I'm not sure if this method works anymore (YMMV). Try calling 1-855-652-3446. That is their self-install device activation line. Have the RF / CM / HFC MAC address and the serial number of it handy when you call. Good luck ! Please let me know.
user_p0mi0k Thank you for reaching out to us here with you questions! You can activate an Xfinity modem without the app by using a web browser on a computer connected to the modem via an Ethernet cable, going to xfinity.com/activate, and following the on-screen prompts.
EG
Expert
•
114.3K Messages
3 days ago
Connect it to the coax line / outlet and power it up. Let it fully sync up with the system. Check that the front or the top panel indicator light(s) is / are steadily lit. Next step. I'm not sure if this method works anymore (YMMV). Try calling 1-855-652-3446. That is their self-install device activation line. Have the RF / CM / HFC MAC address and the serial number of it handy when you call. Good luck ! Please let me know.
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XfinityBrianH
Official Employee
•
1.8K Messages
17 hours ago
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EG
Expert
•
114.3K Messages
16 hours ago
@user_p0mi0k
Did the method that I posted work for you ?
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