How to Jailbreak iPhone 3GS iOS 4.1 Firmware

How to Jailbreak iPhone 3GS iOS 4.1 Firmware

  • At first Download PwnageTool from http://www.megaupload.com/?d=VZ52C0AY and download iOS 4.1 firmware for iPhone 3GS from here.
  • Connect iPhone 3GS to the computer and take a backup of it in iTunes.
  • Launch PwnageTool.
  • Choose your iPhone 3GS with iOS 4.1.
  • PwnageTool will automatically detect the iOS 4.1 firmware.
  • When PwnageTool ask you ” Do you have an iPhone contract that would activate normally through iTunes? “, click on “No” if you are not on an officially supported carrier. Click on “Yes” only if you are having an officially supported carrier on your phone like the AT&T. PwnageTool will now begin to create the IPSW file.
  • When it asked to authenticate your account, ignore that and install the ” iOS4.1Jailbreaker installer package ” . Now go back to the prompt you ignored in the last step and enter the password and go forward so that PwnageTool finishes the iOS 4.1 custom firmware building process. When the process is completed, a ” ihaz Success! ” message will be shown.
  • Open iTunes and select your iPhone 3GS in it.
  • If you are a Windows user hold the Shift key and in Mac OS X, hold the option key and click on ” Restore “.
  • Browse iOS 4.1 ipsw file that PwnageTool and let iTunes do the rest of the iPhone 3GS iOS 4.1 jailbreak process. Now your phone will automatically reboot and it will be jailbroken on iOS 4.1.
  • Now you are done.

Note that if Cydia shows a blank white icon, then add the repo ” http://apt.saurik.com/cydia-3.7 ” in Cydia to solve this problem.