My red rice mobile phone can't send messages.

Your mobile phone can't send short messages. You can try to restart or change your mobile phone to test whether there are any of the following conditions:

1. SMS center number is not set correctly. Please re-enter the correct SMS center number (the number is different in different provinces and regions, please consult the local customer service for the actual situation);

2. No signal or low battery;

3. Because the system is busy during the holiday short message sending peak period, it is suggested that you try again later or avoid the sending peak period;

4. The sending format is incorrect. If you send a short message to PHS users, you need to add the area code before the number;

5. The short message sending time exceeds 24 hours;

6. The mobile phone shields the short message sending function;

7. Blacklisted by SMS;

8. Insufficient quantity balance;

9. SMS inbox and outbox are full.