Apple IPAD 4.2.1 Untetherd J-B done

procedure!!

1.Download Greenpois0n RC5 v2. GreenPois0n

2. Update or Restore your device to 4.2.1

3. Start Greenpois0n, Click Jailbreak

4. Put device into DFU mode by following the instructions onto the screen.

5. Wait about 5 minutes while Greenpois0n runs, this will then reboot your device.

6. You will get a new icon on the screen called loader, launch loader.

7. Follow the instructions in loader to install Cydia



here is screen shot!!

http://img200.imageshack.us/img200/9393/01012007002.jpg
http://img837.imageshack.us/img837/4...012007005l.jpg
http://img96.imageshack.us/img96/3872/01012007007.jpg