Can't CRRC drivers receive SMS verification? What happened?

Reasons why CRRC drivers failed to receive SMS verification:

1, network delay: You may be in a place where the network signal is not good, so there will be different degrees of delay when the server sends out the SMS verification code.

2. Due to the local gateway, the SMS network management is congested or abnormal.

3. The memory of the mobile phone is insufficient, and the information storage is full. Your SMS inbox is full, so you can't receive more messages.

4, mobile phone arrears or downtime.

5. SMS blacklist is set by mobile phone security software.

6. The information sent by the mobile phone on that day exceeded the limit of the maximum number of short messages.

7. There may be something wrong with the mobile phone. It is recommended to change your mobile phone and try to receive SMS verification code again. "Verification code error" prompt appears on the page, so it is suggested to confirm whether the verification code is entered incorrectly; If you receive multiple verification codes.

8. The user's mobile phone number is blocked by the operator.