Can WeChat automatically fill in the SMS verification code after receiving it?

Automatic filling is the function of some software, not the function of mobile phone, so the software to be used is self-supported and can only be used after it is opened.

The reason why the mobile phone can't receive the short message and the solution are that there is a problem for no reason, and suddenly the short message can't be received, and nothing unusual is done on the mobile phone. This problem occurs. This situation is generally not that the mobile phone is broken, but a small problem on the server side of the operator, network delay and so on. Solution, so call your mobile phone network operation service desk, such as mobile 10086, telecom 10000, Unicom 100 10, transfer to manual service, explain your situation, and they will deal with it in a moment.