The phone can receive text messages but cannot send them.

The reasons why the mobile phone cannot send text messages are as follows:

1. The mobile phone has not activated the SMS service. You can contact 10010 customer service or go to the local business office to activate this function;

2. The SMS center number is not set or is set incorrectly, just reset it;

3. The signal is weak, there is no signal or the mobile phone battery is low, causing the message to not be sent normally;

4. Due to the busy system, especially during the peak period of SMS sending during holidays, it is recommended that you try again later or avoid the peak sending period;

5. The sending format is incorrect. If sending a text message to a PHS user, the area code must be added before the number;

6. The SMS sending retention period is valid for 24 hours;

7. Are the SMS inbox and sending box full? ;

8. It is recommended that you restart your phone or change your phone to test it.

In addition to the above simple troubleshooting, if the problem still cannot be solved, you can contact manual customer service to handle it.

The solution for mobile phone failure to send text messages is as follows:

1. It is recommended that you change your mobile phone to see if you can send and receive text messages.

2. If you can send and receive text messages, it is recommended that you reinsert the card into your phone and send yourself a text message to see if you can receive it.

3. If not, it is recommended that you check whether it is a SIM card problem.

4. Check whether the SMS center number of the mobile phone is set correctly.

5. Bring your mobile phone card to the local business office for testing or replacement of the mobile phone card.