The message was received, but the verification code was not received. What is the reason?

1. SMS channel problem

In other words, the SMS channel is very crowded. When we queue up for security check, we need to go through them one by one. In this way, some information has been received, and some are still waiting anxiously.

2.SMS interface failure

Another reason is the interface failure of collaborative verification code SMS platform, which leads to the delay of verification code SMS.

3. The bearing capacity of the server is low

Some platform servers can't meet a large number of sending requirements, which will cause abnormal situations such as congestion of SMS gateway, resulting in delay or packet loss of SMS verification code. The verification code SMS website or client application needs to access the verification code SMS function to verify the correctness of the registered user's mobile phone number and ensure the authenticity of the user's mobile phone number. At present, the most commonly used channels are major banks, online banking, online shopping malls, group buying websites, ticketing companies and so on. The verification code sms channel can be widely used to trigger SMS applications, such as website member mobile phone verification, APP application mobile phone verification, order notification, logistics reminder and so on. Automatic transmission can be realized after docking with the system, with fast transmission speed, response within 10-30 seconds, and the arrival rate can be close to 65438+.

2. The problem of the user's mobile phone

The main reason is that the user's signal is not good, he is not in the service area for a long time, or the user just turned on the phone.

After the above reasons are eliminated, it still can't be solved. You need to call the operator. Delay processing method of verification code short message;

For some websites or applications, if the user feedback verification code SMS is delayed, it is necessary to find out the reason and solve it in time.

1. Selection of cooperative SMS service providers

For websites or applications, you should choose a short message service provider that is directly connected to the operator. There are many short message channel resources and the server has strong carrying capacity.

2. Mobile phone settings

The main reason is that the mobile phone has no signal or is in arrears. We also need to check this place carefully.

1. If the network environment is not good, I suggest you try again another day;

2. Because of the mobile phone, you can restart the mobile phone or change the mobile phone test;

3. If you shut down for a long time or are not in the service area, you need to try it in the service area;

4.SMS inbox and outbox are full. You can clean them up and try again.

5. The mobile phone is turned off, and I just paid. It is suggested to wait a little longer or restart.