1. First, please find the WeChat icon in your mobile phone, click to enter the main interface, and then select the My button at the bottom of the screen.

Step 2. Next, please select the expansion symbol to the right of the nickname of the avatar on the screen, as shown in the figure.

Step 3: Please select "More" in the new page.

4. The fourth step, we come to more pages, please click on the personalized signature, then enter a new signature in the box, and then select OK to operate.

The above is the way to set and modify your own personalized signature in WeChat.