Why is the qq music private message function suddenly unable to send information, and there has always been a red exclamation point that has not been blocked by others? Why?

Samsung mobile phones usually suggest the following steps for investigation and handling:

1. Check whether the mobile phone network connection is stable, and suggest to try another wireless network.

2. Try to update the software version.

3. Settings-Application Manager/Applications-More-Reset application preferences.

4. Back up data (contacts, text messages, pictures, etc.). ), restore the factory settings and try to reinstall.

5. Update the mobile phone system version.