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Thursday, October 30th, 2025

Activate new Gateway without app

How do I activate my new Gateway without using the Xfinity phone app?

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Expert

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114.2K Messages

6 hours 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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