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Home » News » An 18-Year Old Developer Rebuilt iOS 4 as an App for Modern iPhones

If you have been an iPhone user for a long time and like iOS as much as I do, then you will love this newly discovered application. The 18-year-old software developer rebuilt the iOS 4 operating system into an app for iPhone users to take a nostalgic journey. Out of love and nostalgia for iOS, the developer resurrected the operating system 10 years ago.

This application called OldOS was recently released by a young software developer named Zane (Twitter / @zzanehip), and it was created from scratch using Apple’s SwiftUI​​. Zane recently shared the app and a 45-second short video in a tweet, showing it on modern devices such as the iPhone 12. You can see this below.

As you can see, the developer stated that the app was “designed to be as pixel-perfect as possible” and “full-featured”. It is also an open source project from which other developers can learn and even modify to create their own iOS version. In fact, Zane released the source code of the entire project on Github.

The application now switches to OldOS and brings the old user interface and quasi-materialized design elements back to the new iPhone. The best part is that it brings back a branded home button that supports tactile feedback. I am sure that you will use OldOS from the well-known “slide to unlock” interface on the lock screen on your device.

In addition, Zane has rebuilt the built-in app that Apple used in iOS 4 so that you can use the Photos app to view photos in the camera roll as you did 10 years ago. Back to the iconic yellow pages design. There is also the App Store, which lists various applications and guides you to the modern digital store to download and install on your device. However, some applications (such as YouTube and Messages) are currently not working as expected.

However, if you are an iOS fan and want to experience iOS 4 on your current iPhone, you can definitely give OldOS a try. I believe you will not be disappointed. The application is currently available on Apple’s TestFlight service, which is usually used to distribute unreleased beta versions of various applications. However, the Beta testing process is now complete.

Featured Image courtesy from beebom

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