Why can't the mobile phone receive the SMS verification code? How to set it?

There are many reasons why SMS verification code can't be received, such as the maximum number of visits. There are different solutions according to different reasons, as shown below:

1, which is caused by the upper limit of acquisition times. Each platform has a limit on the number of times each mobile phone number can get the verification code every day, and once it is exceeded, it cannot be obtained. We can wait until the next day.

2. The frequency of SMS verification is too fast. Because the frequency of sending SMS verification is too fast, the platform has no time to respond. You can try the operation again after some time.

3, caused by poor cell phone signal. The signal difference will lead to the inability to receive information. It can be solved by restoring network settings. The specific operation is as follows:

(1) Open the phone settings button, find and click the general function.

(2) After entering, drop-down search and click the restore option, as shown in the figure.

(3) In the restored page, find the third option: Restore network settings, and click.

(4) Click the pop-up window at the bottom of the page and click Restore Network Settings.

(5) After the mobile phone is turned off and restarted, the network signal appears again.

Extended data

Operation process of SMS verification code

1. The user fills in the mobile phone number and clicks the "Get Verification Code" button.

2. The website or APP generates SMS verification code according to the rules, and sends the user's mobile phone number and verification code content to the verification code SMS platform.

3. After a series of judgments, the verification code SMS platform will submit the information to the server of the corresponding operator.

4. The operator sends the SMS content to the user's mobile phone.

References:

Baidu Encyclopedia-SMS Verification