How To Jailbreak iPhone 4/3GS On iOS 4.2.1 With PwnageTool

Advertisement

by casey on February 7, 2011

PwnageTool Bundles to jailbreak iOS 4.2.1 running on iPhone 4 and iPhone 3GS without upgrading baseband has been released. The bundle allows you to do an untethered jailbreak. The released bundle works with the PwnageTool which creates custom IPSW while it preserves the baseband and do the jailbreak process. Thanks to Nadeem97 for releasing the bundle.

STEP BY STEP HOW TO GUIDE TO JAILBREAK iOS 4.2.1 iPHONE 4 AND iPHONE 3GS Using Pwnage Tool.

STEP 1:

Pwnage tool iOS 4.2.1 - 1

STEP2:

  • Right click the PwnageTool and Select “Show Package Contents”

STEP 3:

  • Navigate to Contents> Resources> FirmwareBundles. It will show you different firmware supported by the PwnageTool.
  • Copy the iPhone3, 1_4.2.1_8C148.bundle file in this new folder.

Pwnage tool iOS 4.2.1 - 2

STEP 4:

  • Navigate to Contents> Resources> CustomPackages> CydiaInstaller.bundle and right click to select “Show Packages Contents”

Pwnage tool iOS 4.2.1 - 3

STEP 5:

  • Copy the info.plist file into this folder. Let it to overwrite the already placed file.

Pwnage tool iOS 4.2.1 - 4

STEP 6:

  • Run PwnageTool.
  • Click on OK to accept the welcome note.
  • Select Expert Mode using the icon at the top.
  • Select the iPhone from the images.
  • Click Blue colored arrow sign at the bottom right to proceed.

Pwnage tool iOS 4.2.1 - 5

STEP 7:

  • Click “Browse for IPSW… button”
  • Select iOS firmware 4.2.1 that you have already downloaded.

Pwnage tool iOS 4.2.1 - 6

STEP 8:

  • It will prompt you various options. Select ‘General’.
  • Click Blue colored arrow button at the bottom right to proceed.

Pwnage tool iOS 4.2.1 - 7

STEP 9:

  • In the General Tab, you ***MUST NOT***select the “activate the phone” option even by mistake.

Pwnage tool iOS 4.2.1 - 8

STEP 10:

  • Now you are under Cydia Settings tab.
  • You can navigate to Download Packages to select any required packages.
  • It will now show in the Select Package tab.
  • Check the selected package.
  • Click Blue colored arrow sign at the bottom right to proceed.

Pwnage tool iOS 4.2.1 - 9

STEP 11:

  • It will again prompt you various options. Select ‘Build’.
  • Click Blue colored arrow button at the bottom right to proceed.

Pwnage tool iOS 4.2.1 - 11

STEP 12:

  • PwnageTool will begin to make the custom .ipsw file for your iPhone device.
  • It will prompt you to save custom .ipsw firmware file.
  • Save this file to your desktop.
  • It will take 10 to 15 minutes approx. for cooking custom firmware.

Pwnage tool iOS 4.2.1 - 12

STEP 13:

  • Restore iPhone device to this custom firmware 4.2.1.
  • Click phone icon that you can find in the sidebar of iTunes.
  • Now you have to press and hold left “ALT” button (”Shift” button if you are a Windows user) on the keyboard. Click on “Restore” button in the iTunes. Do not click ‘Update’ or ‘Check for Update’.
  • Then release the “Shift” button.

Pwnage tool DFU1

Pwnage tool DFU mode

STEP 14:

  • Your device is now in the DFU mode.
  • iTunes will ask you to select the location for your custom firmware 4.2.1.

Pwnage tool iOS 4.2.1 - 13

STEP 15:

  • In iTunes, hold  Alt or Option key and click Restore.

Pwnage tool iOS 4.2.1 - 14

STEP 16:

  • Select the custom IPSW that you have created.
  • Click the Choose button.
  • Wait and let the iTunes to install the new firmware 4.2.1 on your iPhone.
  • After the installation your iPhone device will restart.

Stay connected to VeryRite.com to get more HOW TO GUIDES and jailbreak news.

Follow us on TWITTER or Like Facebook Page to stay connected to get daily Internet News.

VeryRite
We Write Very Rite

  • jans

    Hi, I’m stuck on the apple logo. I’ve been trying for like 7 times already. Help please.

  • Nbgriff

    Why would you go through all this when greenpoisi0n takes about 5 mins and 4 steps lol

  • jans

    It’s because greenpois0n doesn’t unlock.

  • Rob

    Will this work on the iPhone 3G?

    • cre80r

      For 3G just use redsn0w_win_0.9.6rc8 and tinyumbrella to save shsh

Previous post:

Next post: