Only after a few days of showing proofs of a jailbreak for iphone , iphone jailbreakers are back at it, this time with an iPhone OS 4 jailbreak with BlackRa1n app. The jailbreak software had some issues which has been updated to Beta 1 that fixes some network issues.
Another Iphone Jailbreaker MuscleNerd has released the first public jailbreak of iPhone OS 4. With redsn0w 0.9.5, developers of jailbroken apps can get their apps ready for iPhone OS 4.0 now .
The Dev Team released a video which i have mentioned in my earlier post clearly showing a jailbroken iPhone OS 4 and there are still talks around the jailbreak for iPhone 3.X which supposedly works for OS 4.