The Chronic dev team just send a tweet that GreenPoi0n is ready and is going to release but still no official ETA .A few days ago, the Chronic-Dev Team has released a video that was shown on the jailbreak iPhone untethered 4.2.1 through Greenpois0n .
The tool should be ready for release but the insistent demands of users, hackers have responded with a tweet very clear.
Stay with us for more update.................
In fact, despite being able to perform a kind of jailbreak untetherd to a new device like the iPhone 4, the unbalance formalizing a date for the release of the tool. Probably they will be correcting past problems and want to do without time limits