Hello Apple Developer Technical Support,
We observed an unusual increase in APNs 410 Unregistered responses in our production iOS app between July 10 and July 24, 2026:
Before July 10: approximately 1,500–5,000/day July 10–24: approximately 15,000–30,000/day, a 5–10x increase After July 24: the volume stabilized and did not continue to increase
We found no relevant changes to our client, server, or APNs configuration during this period, and no corresponding increase in 403 ExpiredProviderToken or 400 BadDeviceToken.
We also found that the last app-open dates of the affected tokens were broadly distributed from August 2025 to June 2026, with no clear concentration around a specific inactivity period.
We are not using 410 Unregistered as an uninstall signal. Our main concern is understanding why the response volume increased so significantly during this specific period.
Could Apple confirm:
Whether there were any APNs-side changes, maintenance activities, or changes in token processing behavior between July 10 and July 24 that could explain this increase? For a device token that becomes invalid due to app uninstallation, after how many push attempts would APNs typically return a 410 Unregistered response? Is it expected to return 410 on the first push attempt, or only after multiple push attempts?