Jailbreak iPad iOS 4.2.1

The network has the first option Jailbreak iPad iOS 4.2.1. 
Attention! Please note that this version of Jailbreak iPad iOS 4.2.1 tethered, ie, every time you reboot you will have to re iPad Jaylee device using Redsn0w. At this point, it's the only way to produce Jailbreak iPad.
So, what should be done to Jailbreak iPad iOS 4.2.1

Step 1. Update iTunes on your computer to the latest version of iTunes 10.1
 
Step 2. Set iOS 4.2.1 on your iPad, not forgetting to make a backup device.
 
Step 3. Downloading Redsn0w 0.9.6b4
Mac

• http://www.iphone-storage.de/redsn0w_mac_0.9.6b4.zip
• http://cdn.nspwn.com/redsn0w_mac_0.9.6b4.zip
• http://tgq.nl/redsn0w_mac_0.9.6b4.zip

Windows

• http://cdn.nspwn.com/redsn0w_win_0.9.6b4.zip
• http://tgq.nl/redsn0w_win_0.9.6b4.zip
• http://bubele.eu/redsn0w_win_0.9.6b4.zip
• http://kwek.no-ip.org/redsn0w_win_0.9.6b4.zip

Step 4. Download the official iOS 4.2.1 HERE
 
Attention is now close iTunes!!!
 
Run RedSnow (on Win 7 run with Administrator rights and compatibility mode with XP SP3).
 
Step 5. The program Redsn0w 0.9.6b4 specify the downloaded firmware file «iPad1, 1_4.2.1_8C148_Restore.ipsw» clicking "browse"

 
Step 6. Next - choose at will. «Install Cydia» required
 

Step 7. Follow the instructions in the program Redsn0w 0.9.6b4, waiting for the completion of the process on the device itself.
 
Step 8. If we get a result like this:

 
to Cydia started working repeat the first steps, and the sixth option to choose:
 

 
It remains only to wait a bit (on the phone screen appears Downloading Jailbreak Data ..., then running "Pineapple", after the jailbreak iPad reboot

Posted in: Apple,iPad,Mac,windows