4 years, 8 months ago

As you may know iOS v 4.3.1 just came out today and here is a tutorial to jailbreak your iDevice on the new version.

Works on
– iPhone 4
– iPad (Original)
– iPod Touch 4G
– More Devices to come

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And Lets get started!

This is a tethered jailbreak
There are no unlocks for it yet

Step 1: Downloads

iPhone 4.bundle

iPhone 3Gs (oldbootrom)

iPhone3Gs (newbootrom)

iPod Touch 4G

iPad 1G Bundle

Step 2: Download Pwnagetool 4.2

Step 3: Add it to the applications and right click and choose “Show Package Contents”

Step 4: In finder go to  Contents/Resources/FirmwareBundles/

then paste the bundle (looks like) “iPhone3,1_4.3.1_8G4.bundle” into this location.

Step 5:  Install the ramdisk fixer download here on your mac, this will make it so it works on version 4.3.1

Step 6:  Download the 4.3.1 firmware for your device: Download Here

Step 7: Open pwnagetool, and follow the instructions to jailbreak. (Confused? Watch the Tutorial Video Above)

Step 8:  Once pwnagetool is done go into iTunes select your device and hold option and click “Restore”  Select the new firmware that was made. Let it do its thing and when your device turns on it will be on 4.3.1 now you must boot it tethered

Step 9: Download tetheredboot for the mac: Here.  Copy the custom built firmware and paste it rename it to a .zip and unzip the file. Go into /Firmware/dfu/ and copy the two files kernelcache.release.n90 and iBSS.n90ap.RELEASE.dfu. Move the tetheredboot and both files from the firmware into a new folder.

Step 10: Plugin and turn off your iDevice. Go into terminal and type

sudo -s

then  drag the 3 files files from step 9 and press enter

put your device in dfu mode

your device will boot up tethered

  • MRyves1998

    the link for the ipod touch 4g bundle is death please help!!!!!!!!!!!!!!!

  • iphoneusere

    hey man today i got news from pocketnow.com
    they had written that untethered jailbreak for ios4.3 is realised.
    so how come u don have any news about it?

  • help with the jb

    So everytime i go through the steps, my phone freezes at the apple logo and cannot even restart. I hard reset after hours and it boots up to the logo again and hangs. is there anything i can do?

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