# Twilio: Incident updated: Silent Network Authentication (SNA) Missing Redirects on Vodafone in United Kingdom

**Summary:** _summary pending_
- Kind: Incident update · Label: not classified yet
- Changed: 2026-10-25 02:23 UTC · Detected: 2026-10-25 02:23 UTC
- [Source: https://status.twilio.com/incidents/mddcy8x4rqrl](https://status.twilio.com/incidents/mddcy8x4rqrl)
- [Company: Twilio](https://rewindex.com/company/twilio.md)
- Versions: before incident\_version:125/mddcy8x4rqrl@fea32ef98b62 → after incident\_version:125/mddcy8x4rqrl@2fbba5ab5dc1
- Change 3 of 5 for this incident

Incident page (full timeline): [Silent Network Authentication (SNA) Missing Redirects on Vodafone in United Kingdom](https://rewindex.com/company/twilio/incidents/mddcy8x4rqrl.md)
## What changed

**1. Added: Update** (investigating) · 2026-10-25 02:20 UTC

```diff
+ Twilio customers may be experiencing device verification timeouts during API transactions for Silent Network Authentication (SNA) on Vodafone in the United Kingdom. Our team is actively investigating the issue. API transactions may temporarily fail over to secondary methods like SMS OTP. We will provide another update in 8 hours or as soon as more information becomes available.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-24 19:53 UTC | [Incident updated: Silent Network Authentication (SNA) Missing Redirects on Vodafone in United Kingdom](https://rewindex.com/change/r66cbd0813b8347.md) |  |
| 2026-10-24 22:23 UTC | [Incident updated: Silent Network Authentication (SNA) Missing Redirects on Vodafone in United Kingdom](https://rewindex.com/change/r52df3f6b3362ca.md) |  |
| 2026-10-25 02:23 UTC | Incident updated: Silent Network Authentication (SNA) Missing Redirects on Vodafone in United Kingdom (this change) |  |
| 2026-10-25 05:13 UTC | [Incident updated: Silent Network Authentication (SNA) Missing Redirects on Vodafone in United Kingdom](https://rewindex.com/change/r0f06aefd6aca20.md) |  |
| 2026-10-25 07:23 UTC | [Incident updated: Silent Network Authentication (SNA) Missing Redirects on Vodafone in United Kingdom](https://rewindex.com/change/r7160beee9fbbd7.md) |  |

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Canonical: https://rewindex.com/change/r0663ff0c2697f7 · Markdown: https://rewindex.com/change/r0663ff0c2697f7.md · JSON: https://rewindex.com/api/v1/changes/r0663ff0c2697f7 · Generated 2026-10-25T10:01:43.365Z