Apple has resolved the outage affecting their app verification servers, and normal service is fully restored. The app-signing trust issue has cleared, and iOS devices are now starting up and running as expected.

The app-signing trust issue affecting iOS device startups is due to a widespread, ongoing outage with Apple's verification servers. We are actively monitoring the situation and awaiting a resolution from Apple. We will provide another update as soon as upstream service is restored.

iOS device startup failures have been traced to an app-signing trust issue on the devices. We are working on remedying it.

iOS devices used for flows are not starting. We are investigating the problem.