A birthday in the list does not generate an alert unless at least one reminder is selected and iOS allows diBirthday notifications.

Checks to make

  1. Edit the birthday and confirm a reminder option is selected.
  2. Open diBirthday Settings and inspect notification status.
  3. In iOS Settings, allow notifications, alerts, and sound as desired.
  4. Check Focus modes and Scheduled Summary.
  5. Verify the birthday date, calendar type, device date, and time zone.
  6. Save the record again to reschedule its alerts.

What the result tells you

  • iOS may group or delay non-time-sensitive notifications according to user settings.
  • Past notification times are not replayed simply because permission is granted later.

Before trying again

  • Create a near-future test record when diagnosing delivery.
  • Do not use duplicate records as a workaround.