Add each other's WeChat through their mobile phone number.

Operating environment: Samsung SM-A605G, OneUI2.0, wechat 8.0. 19.

1. First open WeChat and click the+sign in the upper right corner.

2. Then, click Add Friend.

3. Next, enter the mobile phone number of the contact person and click Search.

4. If the other party's micro signal is bound with the mobile phone number, you can search for the other party's micro signal and click Add to Address Book.

5. Enter the application interface, enter the application reason, set the comment name, and click Send Application.

6. Finally, after the other party adds the WeChat application, you can chat happily with the other party on WeChat.