Here is a Tutorial of How to unlock an iCloud locked iPhone , iPad or iPod using RedSn0w
Step 2 : Download RedSn0w RC
Step 5 : Once done , Click Next
Step 10 : Your Device will Reboot again and RedSn0w will now began uploading the Exploit to Bypass iCloud Activation and new RAM disk and Kernel .
Step 11 : You will be notified once the process is complete . Click on the OK and then quit button to exit Application
Step 12 : The rest of the process will take place on your Device , wait for it to complete . Your iOS Device will reboot once again ( which will take approximately 5 - 10 Minutes ) . You Will Now see the Home screen on your Device . Enjoy :)
Download RedSn0w 0.9.7rc1 Here