Resideo experienced a minor incident on May 18, 2026 affecting First Alert App, lasting 2h 58m. The incident has been resolved; the full update timeline is below.
Affected components
First Alert App
Update timeline
- investigating May 18, 2026, 09:32 PM UTC
We are aware some of our customers are experiencing issues with our First Alert application. Devices can still be controlled locally, but may not be visible in the app. We apologize for any inconvenience this may cause.
- identified May 19, 2026, 12:07 AM UTC
We are seeing recovery on the First Alert Application. Some users may still experience issues seeing their devices in the App. Our team is actively working to restore full functionality and we will continue to provide updates until fully resolved.
- resolved May 19, 2026, 12:30 AM UTC
All systems are operational.