1. Open the mobile phone WeChat chat interface and select mine.
2. Then, click the small arrow next to the avatar, as shown:
3. Select more information and enter it, as shown:
4. In more information, select personalized signature, as shown below:
5. After entering the personalized signature, enter the content of the personalized signature at the horizontal line, as shown:
6. After filling in the personalized signature, select Save, as shown:
Then, set your WeChat personality signature and display it on the home page of your circle of friends.