If the Durcal app is not working properly, follow these detailed steps to troubleshoot and possibly resolve the issue:

1. Restart Your Device:
- Sometimes a simple restart can resolve temporary glitches affecting app performance.

2. Check for Updates:
- Ensure that both your iOS version and the Durcal app are up to date:
- Go to Settings > General > Software Update and check for iOS updates.
- Open the App Store, tap on your profile icon, and scroll down to update the Durcal app if needed.

3. Clear Cache & Data:
- While iOS does not allow users to directly clear cache for apps like Android, you can try deleting the app and then reinstalling it:
- Go to your Home screen, locate the Durcal app, hold its icon until options appear, and select Remove App.
- Reinstall the app from the App Store.

4. Check Location Services:
- Make sure that location services are enabled for the Durcal app:
- Go to Settings > Privacy > Location Services and ensure that it is turned on and the Durcal app has permission to access your location.

5. Reset Network Settings:
- Resetting your network settings can help if connectivity is an issue:
- Go to Settings > General > Transfer or Reset iPhone > Reset > Reset Network Settings. (Note: This will erase saved Wi-Fi passwords.)

6. Use Incognito Mode:
- If accessing any web features, try opening your browser in incognito/private mode. This can help isolate the issue if there are problems related to cookies or cache.

7. Disable Background Apps:
- Close any other apps running in the background that might be using up resources or conflicting with Durcal. To do this, swipe up from the bottom of the screen and swipe away apps.

8. Contact Support:
- If the problem persists, reach out to Durcal's support team. They can provide detailed assistance specific to your situation. You can typically find contact information within the app or at their official website - learn more.

9. Test Alternative Internet Connection:
- If you are using mobile data, try switching to Wi-Fi or vice versa to see if connectivity is the issue.

By following these steps systematically, you can diagnose and potentially fix issues with the Durcal application. If the troubleshooting does not resolve the issue, further investigation may be required by the app developers or support team.