Visitor
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1 Message
Speed reduced after switching to CODA56 modem
I switched from xFi gateway device that was included in my plan to my own CODA 56 modem. The download and upload speeds went down after the switch. I already contacted customer service and got the device added to the plan but the speeds are still slow.
With xFi I was consistently getting ~950Mbps download and above 100Mbps upload. With new modem, the speeds are consistently down to 60-700Mbps down and 40-50Mbps upload.
I've read many posts here mentioning XFinity sending firmware update and a "strong signal" to correctly set the channels. I'm lost, however, on where to ask for this "strong signal". So far I've tried restart my modem multiple times, waiting overnight, but the speed is still slow.
I'm using my own wifi router that is connected to the modem over 2.5Gb port. The same setup with xFi in bridge mode gives higher speeds, removing the possibility of line interference.
I see 32 ports connected for downstream and 4 ports for upstream with my modem, though out of 2 OFDMA Upstream channels, one is marked as disabled.
XfinityJon
Official Employee
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946 Messages
4 hours ago
Good afternoon jeewl13 we can certainly assist you with some troubleshooting.
Please send us a direct chat message with your full name and complete service address to “Xfinity Support”. To do so, click on the chat icon located at the top right of this forums page.
To send a "Direct Message" to Xfinity Support:
Click "Sign In" if necessary
Click the "Direct Messaging" icon or https://forums.xfinity.com/direct-messaging
Click the "New message" (pencil and paper) icon
The "To:" line prompts you to "Type the name of a person". Instead, type "Xfinity Support" there
As you are typing a drop-down list appears. Select "Xfinity Support" from that list
An "Xfinity Support" graphic replaces the "To:" line
Type your message in the text area near the bottom of the window and press Enter to send it.
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