Joke Collection Website - Blessing messages - How long is the qq password change SMS valid?

How long is the qq password change SMS valid?

Thirty minutes. According to the query of qq official website, the SMS with password change is valid for 30 minutes. After 30 minutes, the sent verification code will be invalid. Short message is a telecommunication service in digital mobile communication system. It is a non-real-time and non-voice data communication service to transmit text or digital short messages through the signaling channel and signaling network of mobile communication system.