An iPhone hacker named b1onic has created a PwnageTool bundle and Universal Ramdisk Fixer to jailbreak iOS 4.3 GM (Gold Master) on iPhone 4. You can use this bundle and Ramdisk Fixer to patch PwnageTool 4.2. Once patched, you can create custom IPSW of iOS 4.3, which on restore though iTunes will jailbreak your iPhone 4.
NOTE: Although this PwnageTool bundle will jailbreak iOS 4.3 GM on your iPhone 4 with fully working Cydia but still it will be a tethered jailbreak. You will be needing to boot into tethered jailbroken state using tetheredboot utility on every restart.
Steps to Patch PwnageTool 4.2 with PwnageTool Bundle for iPhone 4:
- Download iOS 4.3 GM for iPhone 4 from here
- Download PwnageTool 4.2 from here and place it in /Applications directory.
- Download iOS 4.3 PwnageTool bundle for iPhone 4 from here
- Right-click on PwnageTool 4.2 and choose Show Package Contents option as shown in the screenshot below:
- Now navigate to Contents/Resources/FirmwareBundles/ and copy the bundle file (iPhone3,1_4.3_8F190.bundle) to the FirmwareBundles directory.
- Thats it. You have successfully patched PwnageTool 4.2 with PwnageTool bundle. Now proceed to steps below to patch the broken Ramdisk of PwnageTool.
Steps to Fix Broken PwnageTool Ramdisk with Ramdisk Fixer:
- Download Universal Ramdisk Fixer for iOS 4.3 GM from here
- Make sure PwnageTool 4.2 is present in /Applications directory and iOS 4.3 GM file (iPhone3,1_4.3_8F190_Restore.ipsw) is present on your desktop.
- Run Ramdisk Fixer package and follow the on-screen instructions.
Steps to Create iOS 4.3 Custom IPSW for iPhone 4 with PwnageTool:
- Launch PwnageTool, click on the Expert mode, select iPhone 3GS, 3G, 4 from the displayed options and click Next button to continue.
- Click on the Browse button and select iOS 4.3 firmware file you downloaded in step 1.
- Click on the Build tab and hit the Next button.
Desktop as the save location and click on the Save button.
- Wait while PwnageTool cooks iOS 4.3 GM custom IPSW file for your iPhone. It may take a while, so be patient.
- During the creation of custom IPSW of iOS 4.3, PwnageTool might prompt you to enter your Administrator password.
- Once PwnageTool has successfully created the custom IPSW of iOS 4.3 for your iPhone, connect your iPhone to your Mac through USB cable. Hold down the Power and Home button simultaneously for 10 seconds, after 10 seconds release the Power button but continue holding the Home button until PwnageTool detects your iPhone in DFU mode.
- Close the PwnageTool and follow the instructions below to restore iOS 4.3 custom IPSW on your iPhone. Make sure iOS 4.3 custom IPSW is present on your desktop.
iPhone 4: iPhone3,1_4.3_8F190_Custom_Restore.ipsw
Steps to Restore iOS 4.3 Custom IPSW on iPhone 4:
Once you have successfully created the iOS 4.3 custom IPSW through patched version of PwnageTool 4.2 and your iPhone is in DFU mode, launch iTunes and click on the name of the device from the side panel to view the summary page.
Now you will see two buttons, Check for Updates and Restore. Hold down the ALT key (SHIFT for Windows) and click on the Restore button to browse for iOS 4.3 GM custom IPSW file you just created with the patched version of PwnageTool 4.2.
Above image is for illustration purpose only
Now wait until iTunes restores the custom cooked iOS 4.3 IPSW on your iPhone. Once done, your iPhone should be jailbroken on iOS 4.3 GM with fully working Cydia. Now that you have preserved your baseband using PwnageTool, you can unlock your iPhone using the latest version of Ultrasn0w tool. Click here for step-by-step instructions to unlock your iPhone with Ultrasn0w 1.2.
How to Boot iPhone 4 into Tethered Jailbroken State:
As told earlier, once you will loose the power of your iPhone due to low battery or any other reason, you will be needing to boot into a tethered jailbroken state using Tetheredboot Utility. To do so, follow the steps below:
- Download tetheredboot.zip utility from here and extract the zip on your desktop.
- Create a copy of iOS 4.3 custom IPSW you just created with PwnageTool. Rename it from .IPSW to .ZIP and extract it on your desktop. Once done, open the extracted directory and copy two files namely kernelcache.release.n90 and iBSS.n90ap.RELEASE.dfu on your desktop.
- Create a new folder on your desktop and name it tetheredboot. Put kernelcache.release.n90, iBSS.n90ap.RELEASE.dfu, tetheredboot and itnl in this folder.
- Turn off your iPhone completely, open the Terminal app and use the command below:
- After executing the above command, Terminal will prompt you for your Administrator password. Enter your Administrator password and use the commands below:
- After executing the above commands, you will see some code running on your Terminal screen. After a while, you will be prompted to put your iPhone into DFU mode. Use the following steps to put your iPhone into DFU mode:
/Users/Jaxov/Desktop/tetheredboot/tetheredboot /Users/Jaxov/Desktop/tetheredboot/iBSS.n90ap.RELEASE.dfu /Users/Jaxov/Desktop/tetheredboot/kernelcache.release.n90
- Hold down Home and Power button simultaneously for 10 seconds.
- After 10 seconds, release the Power button but continue holding the Home button for another 10 seconds.
- Now your iPhone should be in DFU mode.
Now wait while your iPhone boots into a tethered jailbroken state. Once done, enjoy your iPhone 4 unlocked and jailbroken on iOS 4.3 GM with fully working Cydia on it.
Update#1: Download iOS 4.3 GM PwnageTool bundle for iPhone 3GS (Old Bootrom)
Update#2: Download iOS 4.3 GM PwnageTool bundle for iPhone 3GS (New Bootrom)
Update#3: Download iOS 4.3 GM PwnageTool bundle for iPad (Wifi+3G)
Update#4: iH8sn0w, the famous iPhone hacker behind Sn0wbreeze tool, has released his own PwnageTool bundle to jailbreak iOS 4.3 GM on iPhone 4 [Do not require you to patch PwnageTool with Universal Ramdisk Fixer]
Download iTunes 10.2 for Windows and Mac OS X
Download iOS 4.3 GM (Gold Master) for iPhone 4
Download PwnageTool 4.2
Download iOS 4.3 PwnageTool bundle for iPhone 4
Download iOS 4.3 GM PwnageTool bundle for iPhone 4 [Tethered] [Bundle by iH8sn0w] [Do not require Universal Ramdisk Fixer Patch] [Recommended] [Mirror]
Download Universal Ramdisk Fixer for iOS 4.3 GM
Download Tetheredboot Utility