Here is an easy way to Jailbreak [Untethered] iPad, iPad 2, iPhone 4, iPhone 3GS, iPod Touch on iOS 4.3.3.
JailbreakMe 3.0 allows easy jailbreaks by simply visiting the JailbreakMe.com website, thanks to a PDF exploit in Safari. JailbreakMe is fully untethered, meaning that you don’t have to plug your device into your computer in order to boot it into a jailbroken state. It works with every device on the face of the earth (running firmware 4.3.3), including the iPhone 4 and the iPad 2 (3G, CDMA & WiFi models).
How to Jailbreak iPad 2, iPhone iOS 4.3.3
Step 1: Launch Safari open http://jailbreakme.com. tap on the “FREE” button, followed by “INSTALL”.
Important: Click it once, even if it takes sometime.
Step 2: JailbreakMe will basically do all the stuff automatically, by loading the necessary files onto your system and execute a jailbreak script right on your handset. When the hack finishes, Safari closes and you will find Cydia icon on homescreen.
You’ re done!
Despite JailbreakMe’s simplicity, it’s important to stress that this method enables a fully-featured untethered jailbreak, there are no bugs known at this point of time. Chances are there that the hack would work with final version of iOS5 as well, as of now, it works with iOS 5 betas.