U

Visitor

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2 Messages

Thursday, July 17th, 2025 2:36 PM

Xfinity speeds highly degraded from the modem

According the Xfinity app, I have speeds coming into my modem at 1200 MBPS.  However, if I stand right next to my modem and test the speed through my phone on the wifi, it immediately drops to 100 MBPS.  Additionally I have a computer that is ethernet connected to the modem, and it also drops to 100 MBPS.  The wife speeds degrade tremendously as you walk away from the modem.  I have several devices connected via ethernet around my house that have speeds no where close to the 1200 being received.  I either need to swap this modem for another one, or have some troubleshoot my issues.  It's not worth paying for the 1000 MBPS when you can only actually get around 100 throughout the house. 

New Poster

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4 Messages

14 hours ago

Upgraded from 800 Mbps to 2 Gbps this week. Our speed tests dropped from ~300 Mbps to 20 Mbps. Xfinity claimed our modem was creating the problem. We've now downgraded to 1 Gbps to ensure our DOCSIS 3.1 modem (which is on the Xfinity approved modem list) can handle the speed.

Spent nearly 2 hours on the phone with Xfinity this week and am questioning if it's worth sticking around. Don't like the alternatives but need reliably faster speeds.

Official Employee

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2.6K Messages

Thank you for the update, techlaw! The most effective way to get interruption updates for your area and information about your service is to visit the Status Center or use the Xfinity app.

 

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