Upload speed dropping very low

I have tried different cables, this problem happens on multiple devices. I had a tech come out already, and he said there is a 500 upload going to the cable. I can only get around 50 to any device, and the plan says 117 average. Under a test, it goes to 90, and will rapidly drop to 10-50. I have also tried replacing the router.

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XfinityThomasA

Official Employee

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3.7K Messages

5 hours ago

Thank you for your feedback and for joining us here on the Forums. We appreciate you taking the time to troubleshoot and share the details of what you've already tried. Testing with different cables, multiple devices, and even replacing the equipment are all excellent troubleshooting steps, so thank you for working through those. I also see you mentioned an Xfinity technician visited and reported that 500 Mbps upload speeds were reaching the cable line. At that time, was it determined that there were no issues with the upload signal coming into the home?

To help us better understand what's happening, could you let us know:

What devices you're using to test the upload speeds
What specific online activities or applications are being impacted
What upload speeds you're currently seeing
Which Xfinity Internet speed tier you're subscribed to

With a bit more information, we'll be happy to take a closer look and help get to the bottom of this.

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user_ma87h9

Upload speed dropping very low

XfinityThomasA

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