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iOS 4 on 3GS

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i've got an iPhone 3GS with OS 3.1.2. jailbreaked. the model-number is MC140DN. And the baseband is 05.11.07


My question is now: Is it possible to update it on iOS4 and jailbreak it again sucessfully? I know there are a lot of pages on google and so on, but i have NO knowledge about that topic, so all the slipslop about basebands, former jailbreaks and all that confuses me more than it helps me...


could anyone give me a step by step guide, how to update and jailbreak my iPhone sucessfully?



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Update to 4.0 or 4.01, NOT 4.0.2 -- 4.0.2 is not jailbreak-able at the moment, nor does it look like it will be for your phone (at least until 4.1 is out). Once you've updated, go to jailbreakme.com on your iphone and follow instructions. Couldn't be easier.


All this was taken from :




honestly, its 5 minutes worth of reading.

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if you do not have ios 4 shsh, it's gonna be a tragedy to upgrade to the latest version 4.1, the greenpoison may help you jailbreak but no unlock yet.thwack.gif

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