what resolution should i use for an iphone wallpaper
Dimensions for iPhone 4 Wallpaper. The iPhone 4 features a âRetina Screenâ, which is Appleâs fancy name for a high resolution mobile display. This display is 960 pixels high, 640 pixels wide and 326 pixels per inch. This means that your iPhone 4 wallpaper should be a 960 Ã 640 326 DPI image.