Unofficial and patched PwnageTool which uses Geohot’s bootrom-based Limera1n exploit, has been released that jailbreaks your running on iOS 4.3 BETA. Ultrasn0w unlockers “MUST” stay away from thi PwnageTool’s as it does not preserve the baseband. Those who wish to jailbreak iOS 4.3 on iPhone 4, can follow step by step guide posted below:
- iOS 4.3 BETA original firmware of your device saved on your computer
- iTunes installed on your Mac
Step 1: Launch latest version of iTunes 10.1 and sync with your Mac for backup.
Step 2: Download PwnageTool 4.3 and the original iOS 4.3 for your version of iPhone or iPod touch. Copy all the files to your desktop.
Step 3: Double click to start PwnageTool. Click Ok, if prompted with a warning. Click to select Expert Mode from the top menu bar and then select your iPhone 4. Click Blue arrow button at the bottom right to continue.
Step 4: Click the Browse for IPSW… button and then select your firmware from the Pwnage folder (refer Step 2).
Step 5: You will be prompted to select one of the option from following window. Select ‘Build’ then click the blue arrow button to continue.
Step 6: You are now ready to begin the pwnage process! Click the Build button to select it then click the Blue arrow button to begin.
Step 7: PwnageTool will now create the custom .ipsw file for your iPhone. You will be prompted to save custom .ipsw firmware file. Save it to the desktop. It might take 10-15 minutes for building custom firmware.
Step 8: Now its time to restore your iPhone to this custom firmware 4.3.
- Click on your phone icon from the sidebar in iTunes.
- Press and hold left “alt” button (”Shift” button on Windows) on the keyboard and then click on “Restore” (Not “Update” or “Check for Update”) button in the iTunes
- Now, release the “Shift” button.
Step 9: iTunes will now prompt you to select the location for your custom firmware 4.3 Once your iPhone 4 is successfully in DFU mode.
Step 10: Once In iTunes, hold the Alt/Option key and click Restore.
Step 11: Now select the custom IPSW that was created and click the Choose button. Wait for a while till iTunes installs the new firmware 4.3 on your iPhone. After the installation is done, iPhone will restart automatically. You have now successfully jailbroken iPhone running iOS 4.3 Beta.
Step 12: After jailbreaking iPhone 4 on iOS 4.3, you can now restore all your settings, apps, contacts and photos to the newly installed firmware version iOS 4.3 by restoring the backup that you made in Step 2 from iTunes.