Previously, we had a demo video by GeoHot about the Untethered Jailbreak for iPhone OS 3.1.3. Now another hacker, named “Comex” has managed to bring first-ever browser based untethered Jailbreak for OS 3.1.3 on iPhone, iPod touch and iPad.

The hack is performed in a quite simple fashion, in iPhone 1.x style, userland jailbreaks by navigating your browser to a website, you would instantly have a jailbroken iPhone. The hack has been confirmed by a number of people and is valid for iPhone OS 3.1.3.

Comex revealed the news by giving a demo of their hack on youtube in their tweet. You can see the video below: