How to check the mobile phone verification code?

Mobile phone verification code:

Enter the mobile phone number on the service opening page, and the system will send a verification message to your mobile phone;

You need to re-enter this verification code received by your mobile phone into the page, and the related services can only be opened on your mobile phone after the system is verified;

Generally, the server randomly generates a set of data for your account, that is, a verification code, and then sends the verification code to your mobile phone. Then when you verify on the website, the server saves the verification code sent to you in his database. He checked the verification code you entered with the verification code in the database. In the same situation, even if you pass the verification.