To resolve the issue of the iTime Pro smartwatch app crashing during pairing, you can follow these detailed steps:

1. Check for App Updates: Ensure that the iTime Pro smartwatch app is updated to the latest version. Open the App Store on your iPhone, search for the app, and install any updates available.

2. Restart Your Devices: Both the iPhone and the smartwatch should be restarted. This can clear temporary glitches that may cause the app to crash.

3. Adjust Phone Date: Some users have reported that changing the phone's date to a different setting, specifically December 31, 2023, resolves various app crashing issues. Try adjusting the date accordingly and then attempt to pair the smartwatch again - learn more.

4. Reinstall the App: Uninstall the iTime Pro smartwatch app from your iPhone. After uninstalling, restart your phone and then reinstall the app from the App Store. This can help fix any corrupted files or settings - learn more.

5. Clear Bluetooth Connections: Before trying to pair again, remove any old or problematic Bluetooth connections. Go to Settings > Bluetooth on your iPhone, find the iTime smartwatch, and select "Forget This Device".

6. Reset the Smartwatch: If the previous steps do not work, consider resetting the smartwatch to factory settings. Refer to the user manual for instructions on how to perform a reset. This can eliminate configuration issues causing the app to crash during pairing.

7. Check for iOS Updates: Ensure your iPhone is running the latest version of iOS. Go to Settings > General > Software Update and install any available updates.

8. Contact Support: If none of the above solutions work, you can reach out to the iTime smartwatch support team for further assistance. They may provide additional troubleshooting tailored to your situation.

By following these steps, you should be able to resolve the issue of the iTime Pro smartwatch app crashing during the pairing process.