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

**Summary:** _summary pending_
- Kind: Incident deleted · Label: Deleted by vendor (rule)
- Changed: 2026-10-19 13:33 UTC · Detected: 2026-10-19 13:33 UTC
- [Source: https://stspg.io/4ckm8sj5wn22](https://stspg.io/4ckm8sj5wn22)
- [Company: SendGrid](https://rewindex.com/company/sendgrid.md)
- Versions: before incident\_version:258/dh3zfbj63cs8@33cfdb469d43 → after (deleted)
- Change 1 of 1 for this incident

Incident page (full timeline): [Silent Network Authentication (SNA) Missing Redirects on Vodafone in United Kingdom](https://rewindex.com/company/sendgrid/incidents/dh3zfbj63cs8.md)
## What changed

**1. Removed: Title**

```diff
- Silent Network Authentication (SNA) Missing Redirects on Vodafone in United Kingdom
```

**2. Removed: Impact**

```diff
- minor
```

**3. Removed: Status**

```diff
- resolved
```

**4. Removed: Start time**

```diff
- 2026-10-11 05:17 UTC
```

**5. Removed: Resolved time**

```diff
- 2026-10-11 11:59 UTC
```

**6. Removed: Affected components**

```diff
- CARRIER NETWORK - Verify Silent Network Auth, Verify Silent Network Auth
```

**7. Removed: Update** (identified) · 2026-10-11 05:17 UTC

```diff
- Twilio customers may be experiencing device verification timeouts during API transactions for Silent Network Authentication (SNA) on Vodafone in the United Kingdom. API transactions may temporarily fail over to secondary methods like SMS OTP. Our team is actively investigating the issue. We will provide another update in 1 hour or as soon as more information becomes available.
```

**8. Removed: Update** (monitoring) · 2026-10-11 05:58 UTC

```diff
- We have observed the recovery in API transactions for Silent Network Authentication (SNA) on Vodafone in the United Kingdom and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
```

**9. Removed: Update** (monitoring) · 2026-10-11 07:58 UTC

```diff
- We have observed the recovery in API transactions for Silent Network Authentication (SNA) on Vodafone in the United Kingdom and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
```

**10. Removed: Update** (resolved) · 2026-10-11 11:59 UTC

```diff
- The incident has been resolved and API transactions for Silent Network Authentication (SNA) on Vodafone in the United Kingdom are operating normally.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-19 13:33 UTC | Incident deleted: Silent Network Authentication (SNA) Missing Redirects on Vodafone in United Kingdom (this change) | Deleted by vendor |

All SendGrid changes: [timeline](https://rewindex.com/company/sendgrid/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._


---
Canonical: https://rewindex.com/change/d2358fc660ec4de · Markdown: https://rewindex.com/change/d2358fc660ec4de.md · JSON: https://rewindex.com/api/v1/changes/d2358fc660ec4de · Generated 2026-10-19T23:33:45.237Z