iOS Jailbreak upto 5.1.1 (The Latest Firmware Before iOS 6):

It's now very easy to jailbreak your iOS Device which has the firmware 5.1.1 which is the latest before iOS 6. The jailbreak for iOS 6 is not available because the hackers are still working on the iOS 6 Beta.


Download Absinthe 2.0.4:
Absinthe 2.0.4 for Windows
Absinthe 2.0.4 for Mac
Absinthe 2.0.4 for Linux

Supported Devices:

iPhone 3GS
iPhone 4
iPhone 4S
iPad
iPad 2
iPad 3
iPod touch 3G
iPod Touch 4G
Apple TV 2G

Not supported Devices:

iPad 2,4 (From March 2012)

Steps to Jailbreak:

1. Make a backup of your device in iTunes by right clicking on your device name under the ‘Devices’ menu and click ‘Back Up’.

2. Once your backup is complete return to your device and go to Settings – General – Reset – Erase all Content and Settings. This will make the jailbreak process much faster.

3. Open Absinthe and be sure you are still connected via USB cable to your computer.

4. Click ‘Jailbreak’ and wait…. just be patient and do not disconnect your device.

5. Once jailbroken return to iTunes and restore your backup from earlier. Right click on your device name under the ‘Devices’ menu in the left panel of iTunes and click ‘Restore from Back Up…’ then select the latest backup you created before. (restoring this backup will return all the content previously on your device ie, apps, photos, etc.)

6. That's it! Your Device is Jailbroken!