The Dev-Team Blog was just updated with a new redsn0w version 0.9.6b4 jailbreak (based on Geohot's Limera1n bootrom exploit) for iOS 4.2.1. Unfortunately, iOS device owners won't find jailbreaking as easy as navigating to a website. And the 4.2.1 jailbreak is currently "tethered" so owners of the iPhone 4, iPad, and newer iPhone 3GS and iPod touch models will have to reattach to a PC or Mac to boo
![iOS 4.2.1 Jailbreak hits with updated redsn0w](https://cdn-ak-scissors.b.st-hatena.com/image/square/05c9fed58652c3e6d6976a76f24c447b17b8e86b/height=288;version=1;width=512/https%3A%2F%2Fs.yimg.com%2Fuu%2Fapi%2Fres%2F1.2%2Fc2Zy23cssPcbAEVHdrBX2g--~B%2FZmk9ZmlsbDtoPTYzMDtweW9mZj0wO3c9MTIwMDthcHBpZD15dGFjaHlvbg--%2Fhttps%3A%2F%2Fwww.blogcdn.com%2Fwww.engadget.com%2Fmedia%2F2010%2F11%2Fredsn0w-0.9.6b4.jpg.cf.jpg)