Mobile phone king card can't send text messages

1, Hello, if your mobile phone can't send SMS, you can check whether the following conditions exist:

(1) SMS center number is set incorrectly, please re-enter the correct SMS center number; Shanxi Unicom SMS center number:+8613010701500;

(2) No signal or insufficient battery power;

(3) The mobile phone shields the short message sending function;

(4) blacklisted by SMS;

(5) Insufficient quantity balance.

2. If you still can't solve the problem after self-troubleshooting, it is recommended that you contact local manual customer service to assist in verification and handling.