Help with jailbreaking and Cydia for iPhones, iPads, and iPod touches.

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How to fix some mysterious problems.

i have an iPhone 3GS w/ 4.2.1 and 05.15.04 firmware. im aware i wont be able to unlock it for tmobile just yet w/ this firmware but im not sure why Greenpois0n wont jailbreak my iPhone. i follow all the instructions on the screen 30+ times and i keep getting the try again' button. any clue what could be wrong? please help!

asked 14 Feb '11, 22:56

YeaImThatGuy's gravatar image


Ive never been able to get into dfu mode using greenpois0ns timer either. Try this video: it works for me.


answered 14 Feb '11, 22:59

j4yd3e's gravatar image


It sounds like you're not getting your iPhone into DFU successfully.

Take a look at

It may be of some help in getting into DFU mode. You also need to make sure you're running the latest version of iTunes.


answered 14 Feb '11, 22:59

Endareth's gravatar image


if your phone is not activated it wont work, GP is no hactivator


answered 14 Feb '11, 23:00

Monroe's gravatar image


i activated it. and it still wouldnt jailbreak for whatever reason. im gonna try the other solutions as well. thanks.

(14 Feb '11, 23:19) YeaImThatGuy YeaImThatGuy's gravatar image

make sure your Device is off when ur booting into DFU. if this is not working then try booting into dfu, loading GP and then plugging your Phone in.

(14 Feb '11, 23:57) Monroe Monroe's gravatar image
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Asked: 14 Feb '11, 22:56

Seen: 20,109 times

Last updated: 14 Feb '11, 23:57

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