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Apple iOS 4.3 GM for iPhone 4, 3GS, iPod Touch 4G, 3G & iPad Released & How To Jailbroken iOS 4.3 GM with PwnageTool

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How To Jailbroken iOS 4.3 GM with PwnageTool

Here’s what you will need:

* PwnageTool 4.2
* Access to iOS 4.3 GM firmware
* iTunes 10.2
* Mac OS X
* PwnageTool bundle for iOS 4.3 GM
* Universal Ramdisk Fixer
* tetheredboot utility

Step 1: Download PwnageTool bundle for your version of iOS device. Extract the .zip folder, in there you will find a .bundle file, for this guide, we are using iPhone 4 bundle iPhone3,1_4.3_8F190.bundle. Move this file to your desktop.

Step 2: Download PwnageTool 4.2 and copy it to /Applications directory. Right click, and then click on “Show Package Contents” as shown in the screenshot below.

Step 3: Navigate to Contents/Resources/FirmwareBundles/ and paste iPhone3,1_4.3_8F190.bundle file in this location.

Step 4: Download Universal Ramdisk Maker and install it

Step 5: Download iOS 4.3 GM firmware. Move this file to your desktop.

Step 6: Start PwnageTool in “Expert mode” and select your device:

Step 7: Browse for iOS 4.3 GM firmware for your device

Step 8: Now select “Build” to start creating custom 4.3 firmware file:

Step 9: PwnageTool will now create the custom .ipsw file for your iPhone which will be jailbroken.

Step 10: Once you have created the custom firmware, quit PwnageTool.

Step 11: Start iTunes, click on your iOS device icon from the sidebar in iTunes. Now press and hold left “alt” (option) button on Mac, or Left “Shift” button if you are on Windows on the keyboard and then click on “Restore” (Not “Update” or “Check for Update”) button in the iTunes and then release this button.

Step 12: Now sit back and enjoy as iTunes does the rest for you. This will involve a series of automated steps. Be patient at this stage and don’t do anything silly. Just wait while iTunes installs the new firmware 4.3 on your iOS device. Your iOS device screen at this point will be showing a progress bar indicating installation progress. After the installation is done, your iOS device will be jailbroken on iOS 4.3.

Step 13: Download tetheredboot.zip utility for Mac OS X and extract the .zip file.

Step 14: First, we will need two files from the custom iOS 4.3 GM firmware namely: kernelcache.release.n90 and iBSS.n90ap.RELEASE.dfu. To do this, make a copy of your custom iOS 4.3 GM file that you created above, change the extension of this file from .ipsw to .zip, and then extract this .zip file.

Now copy kernelcache.release.n90 file, and then copy iBSS.n90ap.RELEASE.dfu files which are found under /Firmware/dfu/.

Move all these files, and tetheredboot utility to a new folder named “tetheredboot” on the desktop

Step 15: Turn off your iOS device, and start Terminal on OS X and run the following commands:

sudo -s

enter your administrator password, then:

/Users/TaimurAsad/Downloads/tetheredboot/tetheredboot
/Users/TaimurAsad/Downloads/tetheredboot/iBSS.n90ap.RELEASE.dfu
/Users/TaimurAsad/Downloads/tetheredboot/kernelcache.release.n90

You will have to of course replace “TaimurAsad” with the name of the directory on your computer.

now press enter.

You should now see some code running in the Terminal window, at some point, it will ask you to enter DFU mode. Now follow the following steps to enter DFU mode:

* Hold Power and Home buttons for 10 seconds
* Now release the Power button but continue holding the Home button for 10 more seconds
* You device should now be in DFU mode

Now wait for your device to boot, Terminal at this point will be showing “Exiting libpois0n” message. After a short while, your iPhone, iPad or iPod touch will be booted in a jailbroken tethered mode !

http://developer.apple.com/iphone/index.action