Version 1.0 of's iPhone 4 GUI PSD is here! This PSD is formatted for Apple's retina display at 326 dpi and includes the majority of elements in iOS 4.3.  We tried to make this the most comprehensive PSD available and will continue to add additional assets to this massive PSD. Keep an eye out for updates in the future. Assets were converted to smart objects to allow for easy drag-and-drop.