Send 999 to 12306. What happened?

If the passenger has not received the verification code after sending the SMS for three times, he can try to send it again the next day, and there will be three verification opportunities every day. For passengers who have not received the verification code for more than three times, the customer service suggests dialing 12306 directly with the mobile phone number that sent the text message. If the system has received the "999" SMS, the customer service staff can directly verify it during the call.

In addition, the customer service reminds that it is normal to receive the verification code within 10 minutes, and users must not send it continuously in a short time.

If you don't get an immediate reply by sending 999 to 12306, please wait a few minutes, usually 5 minutes.

Reason:

1. The dual card used by the user's mobile phone and the mobile phone card used for texting are wrong. Please check whether the mobile phone number that needs to be registered is the same as the mobile phone number that sent the verification code.

2, network problems, try to replace the stable network.

3. For the problem of 12306APP, restart 12306 or try to uninstall and reinstall 12306.

4. 12306 server failure, wait patiently for the system to be repaired and try again.

5, mobile phone problems, try to restart the phone.