APRIL 4th UPDATED : iOS 4.3.1 jb now available here www.youtube.com ——————– Recommended for : Ultrasn0w unlocked users who want to maintain their baseband but want to update to the newest iOS firmware 4.2.1 (if this doesn’t sound like you, why not just use the EASY 1 click alternative here www.youtube.com Sn0wbreeze (for Win): tinyurl.com PwnageTool (for OSX): tinyurl.com If you get 16XX error do this : www.redmondpie.com —————————– Special Thanks to – iPhone Dev Team for PwnageTool – iH8sn0w for Sn0wbreeze – Chronic Dev team for exploit facebook.com twitter.com NOTES : -This works for iPhone 3gs, 3g, 4, Verizon 4 – you can also use this for iPhones with flashed 06.15 baseband so you can restore with this cfw.