(adsbygoogle = window.adsbygoogle || []).push({}); Step One
Open your web browser of choice and navigate to You must login or register to view this content.. Click the Windows link at the bottom of the screen.

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Step Two
When prompted save the download to your desktop



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Step Three
Double click the downloaded gp_win_rc2.zip file then drag the greenpois0n.exe file to the desktop. Double greenpois0n.exe from the desktop to launch the application



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Step Four
Power off your iPhone then click the large Prepare to Jailbreak (DFU) button


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Step Five
You will now be instructed on how to place your iPhone into DFU mode. You can get help with this here.

You will be asked to press and hold the sleep button for 2 seconds.

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Continue holding sleep; press and hold home for 10 seconds.

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Release sleep button; continue holding home for 15 seconds.

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Step Six
Once your iPhone is successfully in DFU mode you may click the Jailbreak button.

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Step Seven
Greenpois0n will now jailbreak your device


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Step Eight
Click the Quit button once the software application has completed.


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You'll notice some verbose mode text scrolling on your device.

Step Nine
After the iPhone restarts you'll notice a new Loader application on your Springboard. Press to launch it.


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Step Ten
Press to select Cydia then press the large Install Cydia button that appears.


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Step Eleven
Once Cydia has installed successfully you will be asked if you want to remove Loader from your device. Press the Remove button then press the Home button. Your device will now automatically reboot.


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Step Twelve
When your iPhone has restarted you can run Cydia. Let it do all the necessary updates then follow our Unlock tutorial if possible for your device, iPhone 4, baseband 1.59.00 tutorial

Source it.

Sadly, I followed those steps, got into DFU Mode but it still said Try again..

i have ipod touch 2G does it work for that?

now i needa unlock for bb 05.12.04

iOS 4.2 isnt out yet, do you mean 4.1 or the beta of 4.2 because apparently there isnt a jb for it yet

Thanks now I need a BB 05.14.02 unlock

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Is your ipod turned off and connected when you tryed? were you conected to itunes too? make sure you are

Ipod was turned off, connected and itunes 10 was opened when I tried to do it.. I got it into DFU mode but it kept saying "Try again".

I have a iPod Touch 2g MC Model.