Slide 3:
Many of us still need to hold off until the last version of iOS 5 is produced, but now we can unlock and jailbreak iPhone 4/3Gs 4.3.5/4.3.4/4.3.3 using FastRa1n. Source: http://www.1888pressrelease.com/unlock-iphone-4/news/revealed-jailbreak-and-unlock-iphone-4-3gs-4-3-5-using-fastr-pr-329575.html