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Speed 800 Download "Upload" shouldbe 100 barely get 20 S33 Modem
The customer support says my signal strength is perfect i have had technicians in the past and it seems my signal strength is good but my upload is not any where near what it should be I call support they seem to now know what to do
MY theory is it's a head end issue can anyone tell me what to do?
BruceW
Gold Problem Solver
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26K Messages
2 months ago
The S33 is not compatible with the new higher upload speeds. Only a few retail devices are. See the "Next Gen" list at the top of the "All Compatible Devices" link near the bottom of https://www.xfinity.com/support/devices (at the moment it points to https://assets.xfinity.com/assets/dotcom/projects/cix-4997_compatible-devices/2024-07-18_Full-List-of-Compatible-Devices.pdf, but this changes from time to time).
Also see:
You need one of Comcast's newer rental gateways (XB6, XB7, XB8) or one of the few retail devices shown in the "Next Gen Speed Tier" group with an upload speed rating in the "All Compatible Devices" PDF. The Reddit link lists the approved devices as well as other requirements for faster upload speeds.
Realize that although Comcast calls some devices "Compatible" and some "Recommended", for all but a few devices those designations only mean "compatible/recommended for use with their Internet service", and not necessarily approved for the new upload speeds.
Comcast could make all of this much simpler and clearer, but they have chosen not to do so.
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XfinityAlyssaA
Official Employee
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1.6K Messages
2 months ago
Good afternoon @user_vfkxcy, and happy Monday, we hope you had a wonderful weekend! Thank you for reaching out on our Community Forums with your speed concerns, we appreciate your time and assure you that you've reached the right team to help address your upload speed concerns. We'd be happy to run through some troubleshooting steps and run some diagnostics as well as review any previous notes left by the previous technicians. In order for us to review your concerns further though, we will need to collect a few pieces of information to get the account brought up. Can you please send us a Direct Message with your first and last name along with the service address on the account?
To send a "Direct Message" ("Private") message:
Click "Sign In" if necessary
We look forward to working with you further.
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EG
Expert
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106.9K Messages
2 months ago
@XfinityAlyssaA
Diagnose what ? @BruceW already spelled it out. They need a compatible modem. It's all in black and white....
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