Simbase incident
[External] - Mobile data performance issues in the UK
Simbase experienced a major incident on November 18, 2025, lasting 1h 39m. The incident has been resolved; the full update timeline is below.
Update timeline
- investigating Nov 18, 2025, 02:00 PM UTC
Performance degradation affecting mobile data services for IoT devices in the United Kingdom. The issue is being investigated by the local network provider. Affected countries: GB
- investigating Nov 18, 2025, 02:00 PM UTC
[2025-11-18 13:26:37] - Incident status was updated to "investigating". Summary: A roaming partner in the UK is experiencing performance issues. The issue is under investigation and further updates are expected.
- investigating Nov 18, 2025, 02:20 PM UTC
[2025-11-18 14:07:38] - Incident status was updated to "investigating". Summary: An external internet issue is impacting roaming infrastructure. The provider is currently investigating the problem.
- identified Nov 18, 2025, 03:00 PM UTC
[2025-11-18 14:30:57] - Incident status was updated to "identified". Summary: The provider reports seeing recovery in their network. They will continue to monitor the situation.
- monitoring Nov 18, 2025, 03:00 PM UTC
[2025-11-18 14:37:47] - Incident status was updated to "monitoring". Summary: The network provider has identified the issue and is working on a fix. Some customers are reporting service recovery.
- monitoring Nov 18, 2025, 03:40 PM UTC
[2025-11-18 15:27:40] - Incident status was updated to "monitoring". Summary: A network provider reported that roaming infrastructure was impacted due to link issues with a partner carrier. The problem has been resolved, roaming traffic restored, and business checks are now positive.
- resolved Nov 18, 2025, 03:40 PM UTC
[2025-11-18 15:27:49] - Incident status was updated to "resolved". Summary: The reported incident has been resolved.