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user_8y368j
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Thursday, March 12th, 2026 4:14 PM

one channel - high errors - new modem

switched mg7550  for  mg8702 - worked with reddit  mod_mail until got banned by reddit somehow.

see  https://imgur.com/i9tyku5

As of march 10 reboot  I had zero errors

https://imgur.com/4R06sAZ

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10 hours ago

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XfinityOrlandoM

Official Employee

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3.1K Messages

2 days ago

@user_8y368j

Thanks for reaching out to us,  we do apologize for any inconvenience you're having with your connection. Can you tell me what kind of trouble steps you have taken? 

 

https://www.xfinity.com/support/articles/internet-connectivity-troubleshooting

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user_8y368j

8 Messages

 I used to have mg7550. Zero errors for months. Then comcast did some maintenance in the neighborhood overnight a few weeks ago. Had many UnCorr errors. Comcast thought it might be old modem. So I now have mg8720 (docsis 3.1)  Thru reddit  modmail they checked line and after a day or 2 and a few reboots, it seemed fixed. (now banned on reddit ?) Then one channel ( I believe #7 started having errors. This morning I power cycled modem and again it seems OK. No errors after 8 hours. I will check again in a few hours.

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2 days ago

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XfinityAbby

Official Employee

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715 Messages

@user_8y368j thank you for letting us know! I am glad to hear it seems to be working now, keep us updated on how your services are working in a few hours! 

I am an Official Xfinity Employee.
Official Employees are from multiple teams within Xfinity: CARE, Product, Leadership.
We ask that you post publicly so people with similar questions may benefit from the conversation.
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2 days ago

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user_8y368j

8 Messages

13 hours ago

Still decent speed (3/16 8am) and only a few UnCorr errors - notice the downstream blue arrow on modem never stops blinking - prev modem always 'locked' on and glowed steady.

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