Resolved after 6 hours 37 minutes, affecting RCS Messaging, on May 11, 2026.
The issue with delays in RCS message delivery to ATT devices has been resolved and RCS message delivery is operating normally at this time.
Affected components
Update timeline
- identified May 11, 2026, 04:17 PM UTC
Customers might be experiencing delays in RCS message delivery to ATT devices. Customers who have fallback to sms enabled could be experiencing higher rate of messages falling back to sms for ATT recipients. We expect to provide another update in 1 hour or as soon as more information becomes available.
- identified May 11, 2026, 05:18 PM UTC
We are still experiencing delays in RCS message delivery to ATT devices. Customers who have fallback to sms enabled could be experiencing higher rate of messages falling back to sms for ATT recipients. We expect to provide another update in 2 hours or as soon as more information becomes available.
- identified May 11, 2026, 07:17 PM UTC
We are still experiencing delays in RCS message delivery to ATT devices. Customers who have fallback to sms enabled could be experiencing higher rate of messages falling back to sms for ATT recipients. We expect to provide another update in 4 hours or as soon as more information becomes available.
- monitoring May 11, 2026, 10:23 PM UTC
RCS message delivery to ATT devices is now operating normally. We will continue to monitor for system stability. We'll provide another update in 30 minutes or as soon as more information becomes available.
- resolved May 11, 2026, 10:54 PM UTC
The issue with delays in RCS message delivery to ATT devices has been resolved and RCS message delivery is operating normally at this time.
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