To resolve the issue of Siri no longer working with TickTick, follow these detailed steps to troubleshoot and re-establish the integration:

1. Check Siri Settings:
- Open the Settings app on your iPhone.
- Scroll down and tap on TickTick.
- Ensure that the option "Add tasks via Siri" is turned on. This setting is crucial for Siri to communicate effectively with the TickTick app - learn more.

2. Update TickTick:
- Make sure that you are using the latest version of TickTick. Go to the App Store, tap on your profile icon, and scroll to update any apps, including TickTick if an update is available.

3. Re-enable Siri:
- Sometimes, toggling Siri settings can help. Go to Settings > Siri & Search, turn off Listen for "Hey Siri", then turn it back on. This can refresh any connections Siri has with other apps.

4. Reboot Your Device:
- Restart your iPhone to clear any temporary glitches that may be affecting Siri and the TickTick application's performance.

5. Check for Restrictions:
- Ensure that there are no restrictions that might be affecting Siri's access. Navigate to Settings > Screen Time > Content & Privacy Restrictions.

6. Testing Siri Commands:
- Try issuing commands to Siri, such as "Hey Siri, add a task to TickTick." If Siri responds with a message saying you need to continue in the app, make sure that the integration has not been disrupted. You may need to recheck the app settings or reinstall TickTick - learn more.

7. Using Siri Shortcuts:
- If the direct method isn't working, you can create custom shortcuts to add tasks to TickTick. Open the Shortcuts app and create a new shortcut that triggers TickTick functions - learn more.

8. Contact Support:
- If none of the above steps resolve the issue, consider reaching out to TickTick's customer support for further assistance. They can provide guidance specific to your account and settings.

By following these steps, you should be able to troubleshoot and restore Siri's functionality with TickTick, allowing you to continue using this integration effectively for task management - learn more.