Can you change wallpaper for each page on iPhone?
If you tried force restarting your iPhone and your wallpaper still won't change, then the issue might actually be with the picture you are choosing. To fix this, open the Photos app, go to the picture of your choosing, tap on “Edit” in the top right corner of the screen and edit the photo in any way.Jul 15, 2021
How do I change my home screen wallpaper?
Note that there is still no way to set a different wallpaper for each home screen on iPhone. You can, however, rearrange and delete home screen pages in iOS 15.