How To Jailbreak iOS 4.0.2 iPhone 3G, iPod Touch 2G Using Redsn0w 0.9.5b5-5

Posted by dkszone on August 27, 2010

Apple has fixed the PDF exploit iniOS 4.0.2, thus closing the hole which is used by JailbreakMe to jailbreak iPhone 4, iPhone 3GS, 3G on iOS 4,iOS 4.0.1 and iPad 3.2.1. You don’t need to upgrade to iOS 4.0.2 and lose your jailbreak and unlock just to fix the security hole. A Cydia app lets you can fix the PDF exploit after jailbreaking with JailbreakMe.

For those of you who have already upgraded to iOS 4.0.2 on iPhone 3G and iPod Touch 2G (non MC model), you still have redsn0w to jailbreak your iDevice. Redsn0w 0.9.5b5-5, the latest version lets you jailbreak and hacktivate your iPhone 3G on iOS 4.0.2 (if you haven’t already been activated by iTunes).

Here are the steps to jailbreak iPhone 3G and iPod Touch 2G using Redsn0w 0.9.5b5-5:

1. Download iOS 4 (final version) and iOS 4.0.2 (download links at end).

2. Upgrade your firmware to iOS 4.0.2 via iTunes.

3. Launch redsn0w 0.9.5b5-5. Browse and select the iOS 4 final version IPSW file (yes, iOS 4 and not iOS 4.0.2 as you may have expected).

4. In the next screen select all those you want to install, such as Cydia, custom boot logo, custom recovery logo, etc.

In case you are following these steps after you have already jailbroken using redsn0w and only want to install Cydia, then select the ‘Already Pwned’ option.

5. In the next screen, you will be asked to make sure your device is both OFF and PLUGGED IN to your computer. Click ‘Next’.

6. Put your iPhone in DFU mode, that is hold down POWER button first, then while holding it press the HOME button for a few seconds. Then release the POWER button, but keep holding the HOME button till the installation begins

That’s it. Once your device reboots, you will have a fully jailbroken iPhone or iPod Touch on iOS 4.0.2

Download iOS 4 IPSW (final release)

Download iOS 4.0.2 IPSW

Download Redsn0w 0.9.5b5-5

Download iTunes 9.2.1