xre-03121
Easy Fix
Xfinity · Networking & Connectivity
Xfinity app/service could not complete request within timeout window.
Quick Answer
Error code XRE-03121 on your Xfinity Networking & Connectivity means: Xfinity app/service could not complete request within timeout window.. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Restart gateway and app/device.
2
Switch to stable network.
3
Retry after a few minutes.
4
Check for active service incident.
5
Use wired connection for primary device when possible.
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
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