Jailbreak iPhone 3G on iOS 4 With PwnageTool 4.01 Without Upgrading Baseband

Written By Sam on 24 June 2010

The iPhone Dev-Team has released the PwnageTool 4.01 for Mac OS X which can be used to jailbreak iPhone 3G, iPhone 3GS (older bootrom) and iPod Touch 2G non-MC model on iOS 4. The latest PwnageTool 4.01 allows you to update your iPhone Firmware without upgrading the baseband.

So if you are a Mac user, you can download PwnageTool 4.01 to upgrade the firmware of your iPhone or iPod Touch to iOS 4.0 without changing the baseband. After you had successfully jailbroken your iPhone, you can use ultrasn0w 0.93 to unlock it so that you can use a sim of your choice.

Procedure to Jailbreak iPhone 3G With PwnageTool 4.01

  • Download iTunes 9.2 and take a backup of all your important data.
  • Now get the official iOS 4 IPSW and save it on your Desktop.
  • Download Pwnage Tool 4.01 on to your Desktop and double click on it to mount the tool.
  • Launch the PwnageTool and select the Expert Mode. In the expert mode you can adjust some of the settings to create the custom firmware.
  • Connect your iPhone 3G and select it from the PwnageTool device selection window. A big Green check mark will appear on the selected device. Now click the big Blue Arrow button at the bottom right to proceed.
  • Once you have selected your device you will be prompted to browse for the IPSW file if it wasn’t found automatically.
  • After the IPSW is selected you will see a Green tick mark. Now select “General” and click next.
    • Here you can select activate the iPhone option.

    • Activate the iPhone: Click activate the phone (only if you’re on unofficial carrier). Deselect Activate the phone option if you are on official carrier.
    • Re0enable functionality: Check this option if you want to enable multitasking, wallpaper and battery percentage on iOS 4.0. These options are disabled in iPhone 3G stock firmware.
    • Root Partition Size: You can choose the Root Partition Size. For the iOS 4 firmware you may choose something like 1GB.
  • The next thing is the Cydia settings menu which allows you to create custom packages.
  • Go to Download packages tab and double click your desired package which will be downloaded and will be available under the Select Packages tab. Now go back to Select Packages tab and check mark the ones you want.
  • On the Custom Logos Settings menu you can add your own images as boot logos.
  • Now click the build button to build your custom firmware and then the blue arrow button to proceed.
  • You will be asked to Save the custom .ipsw file.
  • PwnageTool will take some time to complete the creation of custom iOS 4 IPSW file.
  • PwnageTool will display a “ihaz Success” screen to confirm that the requested .ipsw file has been created successfully.
  • Now you have to put your iPhone in DFU mode. Turn off your iPhone and then press the following keys in sequence – Hold down the home button for 5 seconds and then hold the Home and Power buttons for 10 seconds. Now release the Power button while continuing to hold the Home button until the iPhone is in DFU mode. Once the iPhone is in DFU mode a message is displayed.
  • Launch iTunes to restore your iPhone with the custom Firmware built by PwnageTool 4.01. Hold Option key on your Mac and then hit the restore button.
  • Now browse and select the custom IPSW file and click on “Open”.
  • iTunes will restore the custom firmware and this might take around 10 mins.
  • After this your iPhone will restart automatically.

If you have followed all the above steps successfully then you will have a jailbroken iPhone 3G. You can now proceed to unlock your iPhone with ultrasn0w 0.93 so that you can use your iPhone 3G with any carrier.

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