- Closing the app and reopening it sometimes works.
- try restarting the phone
- Uninstall the app and reinstall it because the app may have errors.
- Check to see if your phone has installed apps such as Firewalls or virus scanning apps. Because these apps will like to block the operation of the app.
- If you've recently updated to iOS version 14 or later, the app is unstable. Switch to an Android phone.
