iPhone | How to Jailbreak and Unlock 1.1.4 iPhone Firmware Using Windows 

These are the instructions to unlock the new Apple Iphone firmware version 1.14 by downgrading your Iphone’s bootloader to 3.9.  
iPlus 2.0b Features
1-Unlock and if required automatically downgrade the bootloader to 3.9
2-Jailbreak
3-Activate
4-Install AFC2
5-Add the following packages: Installer, Community Services, BSD subsystem, OpenSSH, VT-100


It also includes other features like BSD Fix, VT100 Fix, Summerboard themes fix and automatically relocates Fonts and Ringtones creating an additional space of around 120 MB.  Before performing  the unlock process, make sure that your Iphone is restored to new 1.1.4 firmware using itunes.

Step One:
Download iPlus 2.0b from here

Step Two:
Extract the iPlus2.0 folder to desired location on your computer.


Step Three:
Open the run command window, by pressing Windows Key + R on your keyboard. Type “cmd” without quotes and click the Ok button.


Step Four:
After the Command Prompt window appears type the following command and press the Enter key.
“cd Desktop/iPlus2.0” (Enter this without quotes)



Step Five:
Now, type the following command in order to unlock and downgrade your bootloader.
“iplus -u”  (Without quotes)


NOTE**: “-u” parameter is used to perform the entire unlocking process autoimatically. If you don’t want to do that you can discard the “-u” parameter. Now, this will only jailbreak and perform unlock.
 
Step Six:
Your Iphone will now move into the recovery mode and automatically restart itself after few minutes. My Iphone tool around 3 minutes for this process.

Step Seven:
After the jailbreak process is successful, it will proceed to the unlocking process and then activate your Iphone.
 

Step Eight
This is the final step where Iphone will reboot itself once more and now you have a 100% working Iphone.