Simbase Incident History

[2026-07-28 16:52:53] - Incident status was updated. Summary: Service has been fully restored across the network in the United States. The incident is now resolved and services will continue to be monitored.

[2026-07-28 01:22:48] - Incident status was updated. Summary: T-mobile in the United States is experiencing widespread service degradation. Devices across all IMSIs may experience difficulty connecting or may display limited or no service. The provider is actively working to resolve the issue and the situation is being monitored closely.

Widespread service degradation on T-mobile in the United States affecting device connectivity and network attach across multiple SIM profiles Affected countries: US

[2026-07-24 14:46:00] - Incident status was updated. Summary: The upstream signaling provider incident has been fully resolved. Connectivity has returned to normal levels and all services are operating as expected following thorough monitoring and validation.

[2026-07-24 13:32:02] - Incident status was updated. Summary: The incident is now in the recovery phase with normal operations expected to resume shortly. Some customers may continue to experience intermittent service degradation and existing active sessions may remain affected during the recovery period. The situation is being monitored closely with the upstream signaling provider.

[2026-07-24 10:16:05] - Incident status was updated. Summary: An upstream signaling provider is experiencing an ongoing issue affecting the global roaming network, resulting in global service degradation. Customers may experience service degradation and existing active sessions may also be affected. The situation is being continuously monitored with active communication maintained with the upstream provider's NOC team.

[2026-07-24 09:04:40] - Incident status was updated. Summary: Data service degradation affecting new network interactions. Devices may experience issues with new connections while existing sessions remain unaffected. Teams are working to restore service.

We are continuing to investigate this issue.

Our team is working closely with our roaming partners to identify the root cause of the issue and restore normal service as quickly as possible.

Incident Update – Investigating We are currently investigating an issue causing a degradation to data services that is affecting new network interactions. Impact: Some devices may experience issues establishing new data connections. Existing active sessions remain unaffected. Our engineering teams are actively working to restore normal service as quickly as possible. We will continue to provide updates as more information becomes available. Affected SIM profiles: Black , Green, Red

[2026-07-21 13:25:44] - Incident status was updated. Summary: All testing has been successful and the full fix has been deployed. The incident has been resolved.

[2026-07-21 12:36:08] - Incident status was updated. Summary: A fix has been implemented and is currently being monitored. Initial results appear positive, with ongoing testing and monitoring in progress.

[2026-07-21 11:31:46] - Incident status was updated. Summary: Engineers are continuing to work on a fix with no estimated time to resolution currently available.

[2026-07-21 10:35:40] - Incident status was updated. Summary: Engineers have isolated the problem and are continuing to work on a resolution. An estimated time to resolution will be provided in a future update.

[2026-07-21 10:06:40] - Incident status was updated. Summary: Engineers are continuing to investigate the incident. No estimated time to resolution is currently available.

[2026-07-21 09:43:00] - Incident status was updated. Summary: Investigation underway for reports of mobile-originated SMS messages being delivered without content. Further updates to follow.

Investigating reports of mobile-originated SMS messages with no content. Affected countries: XX