# SMS Delivery Delays from Twilio to MobiFone Vietnam

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Degraded
- lasted 4h 58m
- started 2026-09-04 09:57 UTC
- SMS, APAC
- apac
- id: DWN-4474a18b7e
- Official page: https://stspg.io/cgl73d7bx2h9

## Updates from Twilio
### 2026-09-04 09:57 UTC: investigating
Twilio customers may be experiencing SMS delivery delays from Twilio to MobiFone network subscribers in Viet Nam. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

### 2026-09-04 11:01 UTC: monitoring
We have observed a recovery in SMS delivery from Twilio to MobiFone network subscribers in Vietnam and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

### 2026-09-04 13:01 UTC: monitoring
We have observed a recovery in SMS delivery from Twilio to MobiFone network subscribers in Viet Nam and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

### 2026-09-04 14:55 UTC: resolved
The incident has been resolved and SMS delivery from Twilio to MobiFone network subscribers in Vietnam is operating normally.

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