Last week, we reported the release of the iOS 4.3.1 then later on presented a guide on how to do a tethered jailbreak for the iPhone 4 on the iOS 4.3.1. Then we posted a step-by-step guide for iPad owners as iOS 4.3.1 has been jailbroken for these users as well! Then there was a guide for the iPod Touch 4G users. Finally, we posted a guide for the iPhone 3GS users (both old and new Bootrom) to get a tethered jailbreak on iOS 4.3.1!But then there was a limitation that every time you will start your iPhone you will need to reboot it into jailbreak mode using tethered boot utility (re-jailbreak it every time you restart your phone) because custom iOS 4.3.1 jailbreak was available in tethered mode only then.
But today the situation has changed as we have PwnageTool 4.3 available that can jailbreak iOS 4.3.1 untethered on all iDevices except iPad 2. Untether jailbreaking is achieved by using the exploit provided by the Stefan Esser that we reported earlier.
Just follow these instructions:
Step 1: Download the PwnageTool 4.3 and iOS 4.3.1 stock FW and save both of them to the desktop.
Step 2: Next step is to build iOS 4.3.1 custom firmware for which Launch PwnageTool in “expert mode” and select your device which in our case is iPhone 3GS.
Step 3: Locate iOS 4.3.1 which we copied on the desktop in step 1.
Step 4: After selecting iOS 4.3.1 click on “Build” button to produce jailbroken custom iOS 4.3.1 ipsw file.
Step 5: Once the custom firmware has been produced you need to go into DFU mode by clicking on DFU button on the Pwnage Tool.
Step 6: Launch iTunes application and select your iOS device from the sidebar.
Step 7: For Windows users press and hold left shift button and for Mac users press and hold “Alt” button on the key while clicking on “restore” button and select Custom iOS 4.3.1 ipsw file which we created in step 4.
Step 8: Final step!, just wait till iTunes finish installing custom firmware on your iDevice.
Step 9: Done!
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