Currently, the Pwnage Tool version 4.1.2 allows you to jailbreak a device already on the latest firmware. However, it will NOT unlock the device, enabling it to be used with different GSM carriers worldwide.
You can also use greenpois0n by Chronic Dev to achieve the same. There’s practically no difference between the different tools, except for the fact that they come from different dev teams.
- An iPhone (3G or later) / iPod Touch (G3 or later) / iPad
- Firmware version 4.1 for iPhone (3G/3GS/4) or 3.2.2 for iPad. (For iPod Touch, you must download it directly from iTunes using ‘Download Only’ option when prompted and then get it from /Users/yourusername/Library/iTunes/iPod Software Updates/).
- PwnageTool 4.1.2 (torrent available here).
- iTunes 10 or later
Please backup all your information using iTunes before following this tutorial.
1. Download Pwnage Tool and double-click to open the disk image. Open the Pwnage Tool application inside.
2. Click ‘OK’ to close the ‘welcome message’ and select your device from the given options, click the arrow button at the bottom-right to proceed.
3. Pwnage Tool will automatically detect the suitable firmware files on your mac, select the correct one and click the arrow button to proceed.
4. When prompted to create and save a custom firmware file to your Desktop, choose ‘Yes’. Next, it will ask, if you have an AT&T contract (for iPhone), choose ‘Yes’ if you want to activate normally using iTunes, otherwise, choose ‘No’ (this will allow you to use the iPhone with any AT&T data plan).
5. Now, it will being building a custom firmware file. When prompted, type your Mac’s username and password and click ‘OK’.
6. Connect your device to the Mac and follow PwnageTool on-screen instructions to enter DFU mode.
7. PwnageTool will now tell you that you have successfully entered DFU mode, click ‘OK’ and close the application.
8. iTunes will tell you that it has detected a device in ‘recovery mode’, click ‘OK’.
9. Select your device from the list of devices. Press and hold the ‘option’ key on the keyboard and click the restore button. Select the newly created custom firmware located on your desktop and click ‘Choose’. iTunes will then being restoring your iPhone to the custom firmware.
9. After restoring, iTunes will reboot your device, click ‘OK’ when prompted.
10. After it reboots, your device will be jailbroken with Cydia on homescreen. You can now restore from an iTunes backup or choose to set it up as a new device.
All credit for the great tool goes to the DevTeam.