The specific steps are as follows:

The materials that need to be prepared are: mobile phone and WeChat.

1. First open WeChat and click to open my "avatar" in the upper left corner.

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2. Then click to open the "More" option in the pop-up window.

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3. Then click to open the "Personalized Signature" option in the pop-up window .

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4. Then delete all text in the pop-up window and click Save That's it.

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