Published at Thursday, October 01st 2020, 14:24:08 PM by Lauren Ashley. Iphone 11. To download the wallpaper you will be given three options. Either downloads it as an iPad full screen or widescreen. For the iPhones of course you will click on the first option. The full size of the wallpaper is usually 1024*1024. You will get a message on the screen showing the mane of the wallpaper you downloaded. Save the image. When the wallpaper downloading work is finished press the home button to go to the main home screen window. Click on the photo symbol and there you will see the wallpaper you just downloaded with its name. Click on the image and select the use option given there.