msft.guy ported blacksn0w unlock to OS 4 beta 4. This blacksn0w port is based on the modified binaries by msft.guy and original blacksn0w unlock by Geohot. The hack, however, is still very buggy and needs further improvements. Our friend veencee tested and posted a video of the hack in action. At the end of the video you can find a link, where you can download the patch file.
GM build of OS 4 is just around the corner (Monday Noon), so we advise you to hold your horses for the moment. We’ll update you with each and every OS 4 jailbreak and unlock update. Stay tuned with us for your daily dose of iPhone news, you can follow us on twitter via @ihackinjosh You can also subscribe to our daily free e-mail news letter and keep your self updated with the latest of iPhone community.