This picture of colorful circles was especially designed for Apple iPhone 7 background. It has a resolution of 750x1334 pixels which also the official resolution of Apple iPhone 7. Featured with colorful design, I believe that you will get a unique background by using this wallpaper. Apple iPhone 7 is the newest iPhone which has the same size with iPhone 6. Feel free to download this picture on it's original size.
In order to give you more options, I also share you another iPhone 7 wallpaper. Furthermore, here are several iPhone 7 home screen that you can get for free:
Apple iPhone 7 Wallpapers
Free Download of Apple iPhone 7 Background with Colorful Circles