When I first saw these images I thought they were from a concept of a retro iPhone. But after searching some info on the subject I discovered that it is a real theme that can be installed on jailbroken iPhones. I’m not supposed to encourage these practices, but if you have an iPhone that’s already jailbreaked and you want to test the theme, you should check the http://repo.ithemes.it source for iOS 86. It works under Winterboard.
Here are actual print screens from the iOS 86 theme for iPhone:
image and article source: www.osxdaily.com/2012/02/22/install-ios-86-theme-on-iphone/
images source: www.codylg.com/ios86/