What's the matter that mobile phone WeChat can't send short messages?

The following actions are recommended: \x0d\ 1. Check whether the mobile phone network connection is stable, and suggest trying to change the wireless network. \x0d\2。 Try to update the software version. \x0d\3。 Click on the mobile phone application-Settings-Application Manager-Download-Select the problematic application-Clear data \x0d\4. Back up data (contacts, text messages, pictures, etc.). ), restore the factory settings and try to reinstall \x0d\5. Update the next mobile phone system version.