Tools: iPhone 13, iOS 15.6. 1, WeChat 8.0.27.
1. On the main page of WeChat, find my option in the lower right corner and click.
2. After switching to my interface, find the setting options at the lower position and click Enter.
3. After turning to the settings page, find the general options in the middle position and click.
4. After entering the common interface, find the chat background and click Enter.
5. Switch to the chat background page, find the selected background picture at the top position, and click.
6. After entering the interface of selecting background picture, the background of the first space in the upper left is the default background, and click on the upper right to finish.
7. Then return to the chat background interface and click all the chat background application backgrounds in the middle.
After this operation, the WeChat background image becomes the original background image.