How often can SMS verification code be restored?

1, hour. Tencent conference software stipulates that sending SMS verification code frequently will make it impossible to send it, and it will take 2 hours to resend it. Tencent Conference is an audio-video conference software under Tencent Cloud, which was launched at the end of February 20 19.

2. Take WeChat as an example. Wechat verification code 1 2 hours recovery. If you don't log in frequently, the operation of logging in to WeChat will be too frequent. Please try again later, which may be caused by network instability or remote login. Verification code: abbreviated as CAPTCHA, it is a public * * * automatic program used to distinguish whether the user is a computer or a person.

3. WeChat verification code will be restored after 1 to 2 hours, and this situation will not be blocked, because frequent verification codes are not serious violations, and only serious violations will be blocked.

Four hours. Zhihu verification code can be automatically restored after more than 48 hours. It's very troublesome, so be careful when sending the verification code, and don't always have the verification code. Zhihu is a real online Q&A community where users can share their professional knowledge, experience and opinions.

5. Because each system has different requirements for verification code, some are valid within one minute and some are valid within five minutes. Once sent continuously, the last verification code has just been received before it expires, and another verification code will be received immediately, which will lead to inaccurate information, so it is best not to send verification codes frequently.