If it s the smaller x1 box roughly the size of an iphone then it means it s trying to reconnect to your main x1 box.
Xfinity cable box blue light.
Learn what the led lights on your x1 tv box indicate about your device status.
If you purchased a cable box from ebay craigslist or any other re seller comcast will not activate it because it is actually an un returned rental.
Comcast cable box flickers blue light then goes out.
That means that it has lost connection to the comcast system and is trying to reestablish it.
You should only get cable boxes directly from comcast for new service replacements or additions.
A quick and simple guide to restarting your xfinity x1 tv box.
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Learn more about your comcast tv box and download the user manual here.
Learn about device lights on x1.
All comcast cable boxes are property of comcast and none are authorized for sale by other people.
Set the brightness on your x1 tv box.
This video will show you two ways to reset your comcast xfinity cable box specifically the x1 cable box.