# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2010-04-16 11:00:00 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/12276416212) iPhone OS 4 jailbreak released to developers, not you - Engadget - Be clear on this: if you're not a jailbreak app… http://bit.ly/armfGa