May is a month full of celebrations. There are many reasons to celebrate in this month and you can use free iPhone backgrounds to decorate your device. Here are 3 beautiful wallpapers that you can use for your iPhone this month. Enjoy! If you are looking for a new iPhone wallpaper, you can download the latest one for free. There are also several other cool iPhone wallpaper freebies. You can use these to decorate your device for the month of May.