Users jailbreak devices became available the possibility of simultaneous downloads on iPhone and iPad, two different versions of the operating system. The solution is called CoolBooter and is available for users of 32-bit of Apple gadgets.
Dual boot is often used on a desktop operating system. That is, the user installs on the same computer with two different OS and when you start the PC selects one of them. It is easy to organize easily on computers with macOS and Windows. On mobile platforms it’s much more difficult.
Now the ability to simultaneously load two different versions of the OS appeared on iOS devices. As proof of the developers posted a YouTube video showing dual boot on the iPhone 5.
The video shows the smartphone running iOS 9. This is confirmed, in particular, the interface, icons and Wallpapers mobile platforms in 2015. The developer then launches the utility CoolBooter and presses the button on the Boot causes a reboot of the iPhone, but with iOS 6.1.4. Before that, on the smartphone screen appears the text information in the style of the terminal UI.
Utility CoolBooter is in the testing phase, but it is quite possible to use, said the developer. It’s enough to add in Cydia in a separate repository http://coolbooter.com then to find in the search utility.
Although for many it is unlikely to yield practical benefits, the fact of the ability to boot two different OS on gadgetech is a great achievement hackers. It is possible that the hackers will eventually be able to implement to implement on iPhone and iPad the ability to dual boot iOS and Android.