I received a text message nine days later.

Please call the operator's customer service hotline to confirm whether your SIM card is in arrears, the number of SMS center is incorrect, and the local SMS center is out of order. If this factor is eliminated, you can try the following methods:

1, you can try to replace a SIM card or insert it into other mobile phones to see if you can send and receive SMS normally.

2. It is recommended to restart the phone.

3. Try to pass "Settings-"; More settings-> Restore factory settings-> Restore all settings "Restoring all settings will not delete any data in the phone.

4. Try to pass "Settings-"; More settings-> Restore factory settings-> Clear all data "Clear abnormal data. Note: This project will lose all data stored by users on their mobile phones, including phone books, short messages, third-party applications and related account information. Please use it with caution.

If you have any questions, please feel free to consult us. Thank you very much for your support of our vivo, and wish you a happy life!