Open the latest version of WeChat, click the button in the upper right corner, and click the first option (avatar) in the pop-up menu.

Click "Nickname" in the personal information interface.

After clicking on the input field, the input method will automatically pop up (mine is Baidu input method). Click "symbol" or "expression" in the input method (the same is true for other input methods), as shown in the following figure.

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After clicking, many characters will appear. At this time, you can add any text you need!

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