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Sunday, October 17, 2010

How to Jailbreak iPhone 4, 3GS, iPad, iPod touch 4G / 3G on iOS 4.1 with GreenPois0n on Mac OS X [Guide]


The following step by step instructions are going to help you jailbreak iOS 4.1 on iPhone 4, 3GS, iPad, iPod touch 4G / 3G using GreenPois0n on Mac OS X. Support for Apple TV and iPod touch 2G will be added soon.

GreenPois0n Jailbreak iPhone 4
NOTE for iPhone 4: If you rely on an unlock, do not update to iOS 4.1 yet as doing so will upgrade your baseband, making it impossible for now to unlock. Either use TinyUmbrella to update to iOS 4.1 without update baseband (instructions here), or wait for PwnageTool which will help you cook custom firmware files for iOS 4.1 without the upgraded baseband.


Step 1: Download GreenPois0n for Mac OS X from the link given below.
Step 2: Connect your iPhone via USB to your Mac and click on “Jailbreak” as seen in the screenshot below.
GreenPois0n for Mac OS X
Step 3: Now follow the following onscreen instructions:
  • Press and hold the sleep button for 3 seconds
GreenPois0n for Mac (1)
  • Continue holding sleep; press and hold home for 10 seconds.
GreenPois0n for Mac (2)
  • Release sleep button; continue holding home for 10 seconds.
GreenPois0n for Mac (3)
Step 4: Your device should now be in DFU mode. Jailbreak will now start automatically as shown in the screenshot below. Once done, your iPhone, iPad or iPod touch should be jailbroken on iOS 4.1 !
GreenPois0n
Step 5: Now start “Loader” found on the homescreen and install Cydia:
IMG_0002 IMG_0003
That’s it! You are done !
If you are on Windows, you can follow our Windows version of the guide posted here. Alternatively, you can also use Geohot’s Limera1n tool to jailbreak iOS 4.1 on both Windows and Mac:
Unlock for iOS 4.1 (Old Baseband) 


There is currently no way to unlock your iPhone on the latest 05.14.02 / 2.10.04 basebands. If you have managed to preserve your baseband while upgrading to iOS 4.1 using TinyUmbrella, you can use the existing version of Ultrasn0w to unlock your iPhone on iOS 4.1. Step by step instructions for unlocking can be found here.


Download GreenPois0n for Mac OS X
Download iOS 4.1 for iPhone 4, 3GS, iPod touch 4G / 3G
Download iOS 3.2.2 for iPad

You can follow me on Twitter to keep yourself updated on all the latest from Apple iPhone jailbreak team.

[via: redmondpie]

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