Where is the form verification code now?

Graphic verification code is a short message sent to mobile phone.

The verification code is sent to the mobile phone by SMS. Maybe you are logging into an Apple application, and the dynamic verification code required for logging in is sent to your mobile phone via SMS. Due to system reasons, this process is sometimes delayed by tens of seconds. If you haven't received it, please wait patiently for a while.

Expand knowledge:

Graphic verification code is a combination of irregular pictures and texts, and it is a public automatic program used to distinguish whether users are computers or people.

Verification code is generally used to prevent batch registration, which is difficult for people to see, let alone machines. In order to prevent users from being automatically registered, logged in and poured water by robots, many websites adopt verification code technology. The so-called verification code is to generate a picture from a series of randomly generated numbers or symbols, and add some interference to the picture.