Find the "Settings" program on the home page of iOS devices, and then click this icon to enter the "Settings" interface.

2

Click the "General" option on the left side of the setting interface to enter the general interface, and then enter the "Accessibility" interface.

three

You can see a function in the interface, which is the function of "reducing dynamic effects". Click to open this function. Then go back to the wallpaper setting interface to set the wallpaper and see if your wallpaper can be scaled!