George Francis Hotz (born October 2, 1989), alias geohot, million75 or simply mil is known for working with other people to unlock the iPhone, allowing the phone to be used with other wireless carriers, contrary to AT&T and Apple's intent.

Blacksn0w RC2 has just Released for iOS 4, this release is based on the original unlock tool from geohot, and the binaries which were released from couple days by MSFT GUY for 05.11.07 baseband on iPhone 3GS, running iOS 4.0 GM. Follow the step by step guide After the jump..

Guys from iLounge has posted a video showing the new iPhone 4 running on iOS 4, This Video Covers every feature in iPhone 4G Including multitasking, iBooks, iMovie, FaceTime video calling to creating folders and more. The only problem in the video is the lake in audio,  as the audio is very low in some parts of the video so make sure to maximize your audio device. Also Apple has posted The official “iPhone 4 – This Changes Everything Again.” video.

Yes, the popular unlock tool Blacksn0w for iPhone 3GS, 05.11.07 baseband on iPhone 3.1.3/3.1.2 has been successfully ported to work with the latest iPhone OS 4 Beta 4. This port has been done by Vincent using the unlock tool from Geohot and he unlock an iPhone to work on Vodafone.