How to solve the problem that Unicom mobile phone card can't send SMS?

If your mobile phone can't send short messages, you can do the following:

1, restart the phone;

2. Replace the mobile phone; 3. Reset the number of SMS center (the correct number of SMS center of Henan Unicom mobile phone users is "+8613010761500");

4. Check whether the mobile phone is in arrears. In case of default, pay the liquidation fee.

5. Check whether the SMS inbox and outbox are full. If they are full, delete useless messages.