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Tutorial – GreenPois0n RC5: Jailbreak 4.2.1 untethered iPhone, iPod Touch, iPad [WINDOWS]

Tutorial - GreenPois0n RC5: Jailbreak 4.2.1 untethered iPhone, iPod Touch, iPad [WINDOWS]

Tutorial - GreenPois0n RC5: Jailbreak 4.2.1 untethered iPhone, iPod Touch, iPad [WINDOWS]

gp logo Tutorial - GreenPois0n RC5: Jailbreak 4.2.1 untethered iPhone, iPod Touch, iPad [WINDOWS]

It is now the turn of Windows users to be able to Jailbreak their devices with GreenPois0n 😉

GreenPois0n is available for MAC and Windows only… (The Linux version should be here soon.)

You should know that GreenPois0n is unable to hacktivate your device, so you will need the original sim card of your operator unless you have unlocked officially with your operator and Apple.

For those who wish to unlock you should not update to 4.2.1 but wait, otherwise you risk being blocked for a while…

Very good news, no need for SHSH or anything at all. If you bought your device today you will be able to Jailbreak in 4.2.1 with GreenPois0n 😉

12 Tutorial - GreenPois0n RC5: Jailbreak 4.2.1 untethered iPhone, iPod Touch, iPad [WINDOWS]

Now let’s get right into the heart of the matter with the tutorial.

Prerequisites

Jailbreak tool:

Operating system :

Compatible devices

iPhone:

  • iPhone 3GS old and new iBoot
  • iPhone 4

iPod Touch:

  • iPod Touch 3G
  • iPod Touch 4G

iPad:

Tutorial

Step 1

Once GreenPois0n is downloaded you should have this

15 500x432 Tutorial - GreenPois0n RC5: Jailbreak 4.2.1 untethered iPhone, iPod Touch, iPad [WINDOWS]

2nd step

  • If your device is already Jailbreak with redsn0w then restore your device to firmware 4.2.1 directly via iTunes.
  • If you are in 4.1 or earlier, update to firmware 4.2.1 via iTunes

Stage 3

Remember to deactivate the password lock and make a backup of your device with iTunes (right click => save)

Connect your device to your PC via USB cable then launch GreenPois0n.

Keep the ignition button pressed and turn off your device. Otherwise you will have an error of the type

Unable to find fs_mountUnable to find fs_unmountUnable to find fs_load_fileGreenpois0n initialized

If the problem persists wait for RC6!

Now click on the Jailbreak button and get ready to perform manipulations on your device.

25 500x272 Tutorial - GreenPois0n RC5: Jailbreak 4.2.1 untethered iPhone, iPod Touch, iPad [WINDOWS]

Step 4

  1. Press and hold the POWER button for 3 seconds
  2. Press HOME + POWER for 10 seconds
  3. Release POWER but keep pressing HOME

32 500x272 Tutorial - GreenPois0n RC5: Jailbreak 4.2.1 untethered iPhone, iPod Touch, iPad [WINDOWS]

Step 5

The Jailbreak will then start on your device and the white lines under a black background will scroll. The Jailbreak is in progress….

Jailbreak 223x300 Tutorial - GreenPois0n RC5: Jailbreak 4.2.1 untethered iPhone, iPod Touch, iPad [WINDOWS]

(the image does not correspond to the jailbreak of greenpois0n, it simply illustrates what is happening …)

Step 6

The GreenPois0n software confirms you with a Complete button! that the Jailbreak is over, let’s move on to the side of the device.

Once started, a “Loader” application appears on the SpringBoard.

loader Tutorial - GreenPois0n RC5: Jailbreak 4.2.1 untethered iPhone, iPod Touch, iPad [WINDOWS]

Launch the application, wait and cydia will then appear

cydia 500x750 Tutorial - GreenPois0n RC5: Jailbreak 4.2.1 untethered iPhone, iPod Touch, iPad [WINDOWS]

Tap Cydia and press Install Cydia

The download will then start …

download 500x750 Tutorial - GreenPois0n RC5: Jailbreak 4.2.1 untethered iPhone, iPod Touch, iPad [WINDOWS]

Be careful not to let the device go to sleep, because the download must be done from scratch !!!

To do this, go to Settings / General / Auto lock. / Never

Step 7

Restart the device and you should have Cydia!

Video Tutorial

Thanks to the hundreds of push reports!

the iPhone3GSystem team

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