Tools: iPhone 13, ios 16.0.2, WeChat 8.0.3 1.

1. After entering the main page of WeChat, click Me at the bottom of the page.

2. After opening my page, click the arrow icon behind the micro signal.

3. After switching to the personal information page, select it and click More.

4. In the new page, select and click Personalized Signature.

5. After entering the page of setting personalized signature, enter the signature of the circle of friends to be set.

6. After the input is completed, click Finish in the upper right corner of the page, and the setting is successful.