Why can’t Healthy Nanjing’s mobile phone number receive the verification code?

Shut down the phone, there is no signal, you are in arrears or the phone is down and you cannot receive the verification code and SMS.

In some areas, there are mobile network failures and other situations where you cannot receive the SMS verification code. It may be that port 10085 is closed. It is recommended that you send 11111 to 10085 to open it.

The verification code was first proposed by Luis von Ahn. At that time, the recognition ability of computers was relatively poor, but these verification codes could be recognized by people, so the verification code was born.