Earlier in the day we reported the release of the iOS 4.3.1 then presented a guide on how to do a tethered jailbreak for the iPhone 4 on the iOS 4.3.1 – and now here is another great news for iPad owners, iOS 4.3.1 has been jailbroken for these users as well! However, every time you will start your iPad 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 is available in tethered mode only for now. You can jailbreak iOS 4.3.1 yourself using Pwnage Tool (version 4.2), Tethered Boot Utility and Universal Ramdisk Fixer.
Just follow the following instructions:
- PwnageTool 4.2
- Access to stock iOS 4.3.1 firmware
- iTunes 10.2
- PwnageTool bundle for iPad on iOS 4.3.1
- Universal Ramdisk Fixer
- Tetheredboot utility
Step 1: Download PwnageTool bundle for iOS 4.3.1 and extract the content into a folder.
Step 2: Because this guide is geared towards iPad we will be using iPad bundle file named “iPad1,1_4.3.1_8G4.bundle”. Copy this file to your desktop.
Step 3: Next you need to download the PwnageTool 4.2.
Step 4: Copy PwnageTool 4.2 in Application folder. Right click on the PwnageTool icon and click on “show Package Contents”.
Step 5: Now you need to browse to Contents/Resources/FirmwareBundles/ and paste the iPad1,1_4.3.1_8G4.bundle file at this location which we copied on the desktop in step 2.
Step 6: Because of the lack of support in PwnageTool 4.2 to patch the iOS 4.3.1 we need to use Ramdisk Fixer to create custom Ramdisk for iOS 4.3.1. You can download Universal Ramdisk Fixer using the above given links and install it.
Step 7: Next step is to build iOS 4.3.1 custom firmware for which you need to download iOS 4.3.1 firmware (from the link mentioned in the start).
Step 8: Place iOS 4.3.1 firmware on your desktop.
Step 9: Launch PwnageTool in “expert mode” and select your device which in our case is iPad.
Step 10: Locate iOS 4.3.1 which we copied on the desktop in step 8.
Step 11: After selecting iOS 4.3.1 click on “Build” button to produce jailbroken custom iOS 4.3.1 ipsw file.
Step 12: Once the custom firmware has been produced you need to go into DFU mode by clicking on DFU button on the Pwnage Tool.
Step 13: Launch iTunes application and select iPad iOS device from the sidebar.
Step 14: 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 jpsw file which we created in step 11.
Step 15: Final step!, just wait till iTunes finish installing custom firmware on your iPad. Now you are on the iOS 4.3.1 on your iPad in tethered JB state!
But, if you reboot you will have to use the following guide to do the tethered boot.
Tethered Boot Guide:
So far jailbroken iOS4.3.1 device is available only in tethered mode and to boot in to that mode after rebooting you device follow the following steps.
Step 1: You will need tetheredboot.zip utility which you can download using following link and Unzip the content of the file in folder named tetheredboot.
Step 2: Copy tetheredboot folder in downloads folder.
Step 3: Change the extension of the custom iOS 4.3.1 FW from .jpsw to .zip, and extract the content into a folder.
Step 4: Find and copy kernelcache.release.k48 and iBSS.k48ap.RELEASE.dfu files which will be located at /Firmware/dfu/.
Step 5: Paste kernelcache.release.k48 and iBSS.k48ap.RELEASE.dfu into tetheredboot (created after extracting the content of tetheredboot.zip).
Step 6: Now turn off your iPad and run terminal on OS X and type following commands
Use your user name in place of inspiredgeek.
Step 7: At this point you will notice some processing in the terminal window and you will be asked to Enter into DFU (Device Firmware Upgrade) mode on your iPad. To do so hold home and power buttons together for 10 seconds after which release power button while keep holding home button for another 10 seconds after which you will enter DFU mode.
Step 8: After a while “Exiting libpois0n” message on Mac OS X terminal window will appear and your iPad device will boot tethered jailbroken iOS 4.3.1!
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