# Sinch: External Maintenance - T-Mobile United States

> Sinch maintenance “External Maintenance - T-Mobile United States” on 2026-10-23: impact maintenance (vendor’s label), 3 d, 3 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/sinch/incidents/v1lttyxgq3d5
Last updated: 2026-10-26T12:04:40Z

- Impact (vendor’s label): maintenance (maintenance)
- Status: completed · edited after publishing
- Started: 2026-10-23 04:13 UTC · Resolved: 2026-10-26 12:00 UTC · Duration: 3 d
- Updates: 3 · Affected components: External Connectivity - MMS - US, External Connectivity - MMS - US - 10DLC, External Connectivity - SMS - US - 10DLC, External Connectivity - SMS - US - ShortCode, MMS - US, MMS - US - 10DLC, SMS - US - 10DLC, SMS - US - ShortCode
- [Vendor status page: https://status.sinch.com/incidents/v1lttyxgq3d5](https://status.sinch.com/incidents/v1lttyxgq3d5)
- [Company: Sinch](https://rewindex.com/company/sinch.md)

## Timeline of updates

- **scheduled** 2026-10-23 04:13 UTC: T-Mobile United States has scheduled a maintenance. Impact SMS & MMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US Maintenance Start Time: 2026-10-26 02:00 UTC Maintenance End Time: 2026-10-26 12:00 UTC
- **in progress** 2026-10-26 02:00 UTC: Scheduled maintenance is currently in progress. We will provide updates as necessary.
- **completed** 2026-10-26 12:00 UTC: The scheduled maintenance has been completed.

## Rewindex changes for this incident

- 2026-10-26 02:03 UTC: [Incident updated: External Maintenance - T-Mobile United States](https://rewindex.com/change/rfdfdef2c7efe4d.md)
- 2026-10-26 12:04 UTC: [Incident updated: External Maintenance - T-Mobile United States](https://rewindex.com/change/r2e53caed4c4b1c.md)

## Cite this

Maintenance posted by Sinch, started 2026-10-23 04:13 UTC, resolved after 3 d, 3 update(s); edited after publishing.

- Canonical URL: https://rewindex.com/company/sinch/incidents/v1lttyxgq3d5
- Citation: Sinch, “External Maintenance - T-Mobile United States” (2026-10-23 04:13 UTC). Archived by Rewindex: https://rewindex.com/company/sinch/incidents/v1lttyxgq3d5 (CC BY 4.0).
- Markdown link: `[Sinch: External Maintenance - T-Mobile United States (2026-10-23)](https://rewindex.com/company/sinch/incidents/v1lttyxgq3d5)`


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Canonical: https://rewindex.com/company/sinch/incidents/v1lttyxgq3d5 · Markdown: https://rewindex.com/company/sinch/incidents/v1lttyxgq3d5.md · JSON: https://rewindex.com/api/v1/companies/sinch/incidents/v1lttyxgq3d5 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T15:22:01.952Z