Tools/materials: iPhone 13Pro, ios 16.3. 1, WeChat v8.0.60
1, open the mobile phone WeChat and click me, as shown in the figure.
2. Select the small arrow on the right of the avatar, as shown.
3. After entering, select "More Information", as shown in the figure.
4. In "More Information", find "Personal Signature", as shown in the figure.
5. Then open the personalized signature, edit a paragraph in the input box and click "Save" in the upper right corner, as shown in the figure.