What does it mean that the source of WeChat plus friends is that the other party added it by searching the mobile phone number?

This happens when you set WeChat to be able to find you through your mobile phone. Usually someone adds you through your mobile phone number, and the display source is to search your mobile phone number. If you don't want others to search your mobile phone number, you can turn it off in the settings. You can find it by setting privacy.

Now, there are more and more users of WeChat, and basically most people in China are using WeChat. Many people will add friends by shaking or drifting bottles, and we can also check the source of WeChat friends and know how the other party found us. However, some friends are of unknown origin. What's going on here?

One: Maybe you added a friend before, and then you deleted him. He is not among your friends, but you are among his friends. If he wants to add you, he won't show the source.

Two: directly search for the mobile phone number qq number micro-signal to add, without showing the source.

At present, only people nearby, WeChat group, mobile phone address book and qq friends can add display sources.