Download From : http://iosjailbreakteam.indmind.com/
Dirrect Link : http://lnkgt.com/8Lk

From Where you can access iOS 5.1.1 Jailbreak then you have to read furthur more about it
Apple iOS 5.1.1 Apps and Jailbreak Official Website: http://iosjailbreakteam.indmind.com/

The following steps will help you jailbreak your device on Apple iOS 5.1
Step 1:Go to www.apple.com and Download latest iTune v 10.2.1 and Update your device to Software Update 5.1.1
Step 2:Then go to http://iosjailbreakteam.indmind.com/ and Download iOS 5.1.1 Jailbreak for Mac or Windows
Step 3:Save the iOS 5.1.1 Jailbreak Tool on desktop and Run as Administration
Step 4:Select your device and click on jailbreak button
Step 5:Let the application do its work and wait for the app to show "Jailbreak Complete!" message
Step 6:At this point, wait for the device to automatically reboot otherwise Reboot it according to the messesge
Step 7:Finish! You should now have a fully jailbroken iPhone & iPad & iPad firmware iOS 5.1.1