Knowing

Requirements to jailbreak 5.1.1:

Required Downloads:

• Download Redsn0w 0.9.10 b8b for Windows
  Download Redsn0w 0.9.10 b8b for Mac
• Download iOS 5.1 Firmware IPSW for iPhone 4S, iPhone 4, iPhone 3GS:
  
  
  • iPhone 4S
  • iPhone 4 (GSM)
  • iPhone 4 (CDMA)
  • iPhone 3GS
  
  Download iOS 5.1 Firmware IPSW for iPad 3, iPad 2, iPad 1:
  
  
  • iPad 3 WiFi
  • iPad 3 GSM
  • iPad 3 CDMA
  • iPad 2 WiFi
  • iPad 2 GSM
  • iPad 2 CDMA
  • iPad
  
  Download iOS 5.1 Firmware IPSW for iPod Touch 4G, 3G:
• iPod touch 3G
• iPod touch 4G

• Download iOS 5.1.1 ipsw firmware – iPhone 4S, 4, 3GS, iPad 3, 2, 1, iPod touch 4g, 3g – Direct Links
• iPhone 4S
• iPhone 4 (GSM)
• iPhone 4 (CDMA)
• iPhone 3GS
• iPad 3 WiFi
• iPad 3 GSM
• iPad 3 CDMA
• iPad 2 WiFi
• iPad 2 GSM
• iPad 2 CDMA
• iPad
• iPod touch 3G
• iPod touch 4G
• Download iTunes 10.6 for Windows / Mac

How to jailbreak 5.1.1 Semi-Untethered :

Step 1: Connect your iPhone / iPad / iPod touch with your PC via USB, and open iTunes then retire to iOS 5.1.1 if you didt already installed it on your iDevice.

Step 2: Open Redsn0w > Extras > Select IPSW and point to iOS 5.1 ipsw (not iOS 5.1.1)

Step 3: Once it identifies iOS 5.1 build, make sure you have select Cydia then click Next.

Step 4: Redsn0w will install Cydia on your device.

Tethered Jailbreak : Once current Redsn0w jailbreak is still tethered jailbreak, you will be required to connect your iOS device with your computer and run Redsn0w again then choose “Extras” > “Just boot”



How to Jailbreak 5.1 Semi Untethered - iPhone 4, 3GS, iPad 1, iPod touch 4G, 3G:

Step 1: Now, open Cydia > Manage > Sources.

step 2: Tap on Edit > Add and insert the following repository

http://thebigboss.org/semitether

Step 3: Search for SemiTether and install it then reboot your device.

Step 4: Now congratulations, now you have protected your device and you will never stuck on Apple logo again