For example, why can't I receive the verification code on the ipad?

In the current SMS application market, there are three main types of SMS: verification code, notification and marketing.

Among them, the use of SMS verification code can minimize the number of invalid registrations and malicious registrations, improve the management efficiency of enterprises, and is widely used in major industries, such as group buying websites, online banking of major banks, and e-commerce enterprises.

When system users choose a new user to register and log in, they will receive a website reminder first. Only by entering the mobile phone number to obtain the verification code, and then entering the verification code received by the mobile phone number can the user successfully register as a member.

According to the convention, registered members belong to their own mobile phones, and users' short messages can be received in time, but why can't some users receive verification code short messages on their mobile phones?

According to the experience of short message operation in teng letter, verification code short message is a sign of successful website operation, and the success rate of short message should reach the standard of 99.9% for operators.

However, occasionally in actual cases, the SMS status is displayed successfully, but the customer's mobile phone can't receive the SMS. We summarize the reasons for these situations, so that the company's operators can find problems when users ask questions and solve them:

1, is the phone stuck?

Now most mobile phones are smart phones, similar to computers. If you don't shut down and restart for a long time, the system may encounter various problems, such as slow card, no SMS, software flash, no SMS and so on. In this case, just restart the phone.

2. Is it a dual-card dual-standby mobile phone?

Nowadays, many people have two cards and use one mobile phone, and sometimes they can't receive short messages. It is suggested to replace the card slots of two cards to see if they can receive short messages normally.

3. Check whether the inbox is full.

This is generally aimed at the previous non-smart phones, the memory is small, there are too many messages in the SMS inbox, the inbox is full, and no new messages can be received. Nowadays, this kind of mobile phone is used less, and it is usually used as a backup machine. You can receive messages by deleting some messages.

4. Check whether the mobile phone is intercepted by interception software.

At present, mobile phones are generally equipped with security software similar to mobile phone housekeeper. Different software will set different interception rules, so you can see if the short message is intercepted. Even if it is intercepted, you can see the contents of the software. General marketing content is intercepted more, and some software will intercept verification code according to the number rules, but rarely.

5. Check whether the current receiving status of the mobile phone is normal.

You can use other mobile phones to send short messages to see if they can be received normally, so as to determine whether all the short messages have not been received.