Everyone including the rumoured Apple spy in the Dev-Team has has played the April Fool. On April 1st, the news that an untethered jailbreak was out for all A4 devices, shook the internet. Naturally, i0n1c was having a laugh when he tweeted a link to a supposed archive containing the long sought-for JB package. The catch? A 30-symbol pass code that inquiring minds had to break.
However, there was a piece of truth to that joke as well. Confirmed by MuscleNerd, i0n1c has meanwhile turned over a true exploit in iOS 4.3.1 to the Dev-Team who have just integrated it into the existing Pwn tool set that can set your A4 Jesus device free!