In the WeChat circle of friends, click on the background picture, choose to change the cover, and select a picture from the mobile phone album.

1. Open the mobile phone WeChat and click Discover.

2. In the found page, click on the circle of friends.

3. After entering the circle of friends, click on the background of the circle of friends and choose to change the cover.

4. Enter the change album cover page, and click to select from the mobile phone album.

5. In pictures and videos, select a picture, as shown below:

6. Select a good picture, cut it, and click OK, as shown in the figure:

In this way, the background image of your WeChat circle of friends will be switched.