Troubleshoot error messages displaying when sending text messages. The error message 'Message failed' may display when messages are over 40 characters or due to the input method in the messaging app.
To fix this issue:
- Baseband version T679UVKJ1 and T679UVLE1 are affected by this issue. To greatly improve this issue, update to T679UVLE1. You may still see this error in areas of poor coverage or during a network outage.
- Check on the text message input mode, see Text messages show number / letter / symbols instead of text.
- Follow Text message (SMS) troubleshooting: Android > Send/Receive Issues with all numbers > Cannot send SMS .
- If the issue still persists, contact customer care for additional assistance.