This untethered jailbreak for iOS 4.3.1 is based on an exploit found by iPhone security expert and hacker Stefan Esser, who demoed it on his iPod touch last week before handing it over to the Dev-Team to do the rest.
iOS 4.3.1 was originally jailbroken last week using PwnageTool bundles (on
Mac) and Sn0wbreeze (on
Windows) but it was limited to tethered boot.
But now with this new version of Redsn0w and PwnageTool, you can jailbreak on the above mentioned devices, fully untethered on iOS 4.3.1.
NOTE: Those of you who rely on a carrier unlock MUST STAY AWAY from Redsn0w and stock iOS 4.3.1 firmware. Use PwnageTool instead.
Step 1: Download iOS 4.3.1 for your version of iOS device.
Step 2: Update/Restore to iOS 4.3.1 firmware using the IPSW file you just downloaded via iTunes 10.2.1.
Step 3: Start Redsn0w and point it to the official iOS 4.3.1 firmware file.
Step 4: Now select “Install Cydia” and click “Next”. Optionally (if available), you can also select any other option you like.
Step 5: Now make sure your device is both OFF and PLUGGED IN to the computer before you click “Next”.
At this stage you will be presented with a screen where you will be guided on how to enter DFU mode. Quickly hold “Power” button and then while holding the “Power” button, you will now have to hold “Home” button too. Now after few seconds release “Power” button but keep holding “Home” button until installation begins.
Step 6: Sit back and enjoy while Redsn0w does the rest for you. Once done, your iPhone, iPad or iPod touch will restart automatically and you will find it fully jailbroken (untethered) on the latest iOS 4.3.1 firmware.
Download iOS 4.3.1 for iPhone 4, 3GS, 3G, iPad, iPod touch
Download Redsn0w 0.9.6RC9 for Windows
Download Redsn0w 0.9.6RC9 for Mac
Download iTunes 10.2.1 for Windows or Mac
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