Where is the modification of WeChat signature?

Need to modify in the personal center, the method is as follows:

Tools/raw materials:

Tool: iPhone 12.

Operating system: iOS 14.4. 1.

Wechat 8.0. 1 1.

1. Open the WeChat in your mobile phone, as shown in the following figure:

2. Click below to select me, as shown in the figure below:

3. Click on the avatar to enter the personal page, as shown in the figure below:

4. Select the following more, as shown in the figure below:

5. Click to enter personalized signature, as shown in the figure below:

6. Enter the signature to be modified and select Done, as shown in the following figure:

7. Click on the personal avatar to view the personalized signature.