# Twilio: Incident updated: MMS Delivery Receipt Delays from a Subset of Twilio Short Codes to T-Mobile United States

> Incident updated: MMS Delivery Receipt Delays from a Subset of Twilio Short Codes to T-Mobile United States. Detected 2026-10-29 by Rewindex: what changed on Twilio’s status page, with the before/after diff.

Canonical: https://rewindex.com/change/r9e8a2e8787a606
Last updated: 2026-10-29T01:04:07Z

**Summary:** _summary pending_
- Kind: Incident update · Label: Normal progress (rule)
- Changed: 2026-10-29 01:04 UTC · Detected: 2026-10-29 01:04 UTC
- [Source: https://status.twilio.com/incidents/km5dmfj8blwk](https://status.twilio.com/incidents/km5dmfj8blwk)
- [Company: Twilio](https://rewindex.com/company/twilio.md)
- Versions: before incident\_version:125/km5dmfj8blwk@0db67e73af55 → after incident\_version:125/km5dmfj8blwk@b95af0314887
- Change 1 of 1 for this incident

Incident page (full timeline): [MMS Delivery Receipt Delays from a Subset of Twilio Short Codes to T-Mobile United States](https://rewindex.com/company/twilio/incidents/km5dmfj8blwk.md)
## What changed

**1. Changed: Status**

```diff
- investigating
+ identified
```

**2. Added: Update** (identified) · 2026-10-29 00:54 UTC

```diff
+ Twilio customers may be experiencing MMS delivery receipt delays from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-29 01:04 UTC | Incident updated: MMS Delivery Receipt Delays from a Subset of Twilio Short Codes to T-Mobile United States (this change) | Normal progress |

All Twilio changes: [timeline](https://rewindex.com/company/twilio/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/r9e8a2e8787a606 · Markdown: https://rewindex.com/change/r9e8a2e8787a606.md · JSON: https://rewindex.com/api/v1/changes/r9e8a2e8787a606 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-29T11:13:55.021Z