This Video shows you how to downgrade your iPhone, iPod Touch or iPad from firmware 4.3 to firmware 4.2.1 and then Jailbreak with Greenpois0n. To Downgrade your device we will use Tiny Umbrella, it’s very simple. No need to go and modify the hosts file, Umbrella does it automatically. For the Downgrade, it is of course mandatory to have saved your 4.2.1 firmware SHSH file otherwise the downgrade will be blocked by Apple. To know if it is saved watch the video! Download: Tiny Umbrella –
All Firmware – http://www.felixbruns.de/iPod/firmware/
When the downgrade is complete you can Jalbreaker with Greenpois0n by watching this Video – http://www.youtube.com/watch?v=Oe0JgN7PDS8
Follow all the steps and it will work! For any questions leave a comment or send an email to iphonethq@hotmail.com Regards, iPhoneTHQ 🙂 Source Cydia: http://apt.ipodtouchisapro.org/
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Thank you .