If you can't open the Syncta app on your iPhone or if it's running slowly, you can uninstall and reinstall the app without deleting any of your data.
1. Open the Settings on your iPhone.
2. Tap General.
3. Tap iPhone Storage.
4. Scroll until you find the Syncta app, and then tap it.
5. Tap Offload App.
6. When you receive the confirmation popup, tap Offload App again.
7. When the app is uninstalled, you return to the Syncta app page. Tap Reinstall App to reinstall the Syncta app.