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  • HowTo: Jailbreak iDevices Untethered (and preserve iPhone Baseband) with PwnageTool 4.2


    Step 1: Download PwnageTool 4.2 here. Also Download the appropriate 4.2.1 firmware bundle (available from Apple). For the walkthrough I used an AT&T iPhone 4.

    Step 2: Open PwnageTool and click 'Expert Mode' at the top, then click the device you'd like to jailbreak.



    Step 3: Click "Browse for IPSW and browse for the firmware bundle you downloaded (should be firmware 4.2.1)



    Step 4: Click 'General' and select functions as needed.
    • 'Activate the phone' - Hacktivates the phone if previously unlocked
    • 'Enable baseband update' - Performs the baseband update (DO NOT CHECK THIS IF YOU RELY ON A ULTRASNOW UNLOCK)
    • There are options to re-enable functionality, which are specifically for the iPhone 3G. If you need them, check them off.



    Step 5: Click the arrow to apply the changes.

    Step 6: Install custom packages and cydia sources as needed, then click build to save your custom IPSW file, you may be asked to enter your Mac OS user password.



    Step 7: When prompted, connect your device via USB and follow the instructions for entering DFU mode.

    Step 8: Open iTunes. iTunes will tell you it has detected a device in recovery mode. IMPORTANT: PRESS OPTION AND CLICK RESTORE. Do not simply press restore, this will upgrade your device to stock 4.2.1, and WILL upgrade your baseband (which is irreversible). A dialog box will open and allow you to choose the firmware bundle to restore with. Choose the custom created bundle.

    Step 9: Wait for the restore to complete, and enjoy your untethered jailbreak! Unlockers on an unlockable baseband can simply install ultrasn0w and unlock. Enjoy!
    This article was originally published in forum thread: HowTo: Jailbreak iDevices Untethered (and preserve iPhone Baseband) with PwnageTool 4.2 started by Matt Savoca View original post
    Comments 154 Comments
    1. Primpilampa's Avatar
      Primpilampa -
      Quote Originally Posted by thazsar View Post
      Kinda confused by what ur saying. When ur unlocked and u hit the Home button twice, the Task Switcher should pop up. If you go to the 2nd to the last LEFT Switcher window, you'll see iPod controls and the Rotation lock/unlock. Did u try that Rotation lock/unlock button? If it's locked, you'll see a locked icon at the top right of the Status Bar. Let us know...
      Yes, I already did that. I tried locking and unlocking the rotation button, turning off and on, restoring and I get the same thing at the end, no rotating screen.
    1. flyboy320's Avatar
      flyboy320 -
      I assume that anyone with a 3G on 4.2.1 and on baseband 05.14 or 05.15 still has to upgrade to the ipad baseband 6.15 to unlock?
    1. thazsar's Avatar
      thazsar -
      Quote Originally Posted by Primpilampa View Post
      Yes, I already did that. I tried locking and unlocking the rotation button, turning off and on, restoring and I get the same thing at the end, no rotating screen.
      Weird.... Wish I had something more to offer. My iPad is working correctly. Any chance ur using Aptbackup or pkgbackup? Can it rotate before jailbreaking?
    1. Tasosm's Avatar
      Tasosm -
      Firstly, Gratitude to the developers of Pwnage. I was on iOS 4.02 Jailbroken and unlocked and have been eagerly awaiting this.

      I went through the process and everything went smoothly EXCEPT I no longer get push notifications. Is there a fix for this?

      I'm on T-Mobile
    1. iamkarthik's Avatar
      iamkarthik -
      HI
      i already restored my iphone 3gs with ios 4.2.1 and updated my base band to 6.15.0 and due to some reasons i planned to restore it again, but while restoring the original firmware i got error 1015 and iphone left with the restoring screen, once i googled and find a solution that using the custom firmware, with that custom firm ware also i cant able to restore the iphone , i get error 1604 while i restore from DFU mode , if i restore it from restore mode, i get error 21, can any one please help me to solve this problem so that i can use my phone back

      thanks in advance
    1. Primpilampa's Avatar
      Primpilampa -
      Quote Originally Posted by thazsar View Post
      Weird.... Wish I had something more to offer. My iPad is working correctly. Any chance ur using Aptbackup or pkgbackup? Can it rotate before jailbreaking?
      No sir, I don't have any of those installed.

      Actually I was already jailbroken with greenpoison and my screen was rotating with no problem and then I used pwnagetool 4.2 because it solved the ibooks problem but now no rotating screen.
    1. vr4playa's Avatar
      vr4playa -
      Sorry for the noob question but if we have the custom 4.2.1 firmware from a Redsn0w JB do we need to download 4.2.1 from Apple?

      For the second time my phone froze while I was on the road and I had to wait to get home to do the tethered boot. I really want to re-do the JB so I don't have to tether anytime I need to restart my phone, but wanna make sure I don't mess it up trying to do another JB - as they say "if it ain't broke, don't fix it."

      It's an iPhone 4, iOS 4.2.1, 03.10.01

      Thanks!
    1. Simon's Avatar
      Simon -
      Quote Originally Posted by vr4playa View Post
      Sorry for the noob question but if we have the custom 4.2.1 firmware from a Redsn0w JB do we need to download 4.2.1 from Apple?

      For the second time my phone froze while I was on the road and I had to wait to get home to do the tethered boot. I really want to re-do the JB so I don't have to tether anytime I need to restart my phone, but wanna make sure I don't mess it up trying to do another JB - as they say "if it ain't broke, don't fix it."

      It's an iPhone 4, iOS 4.2.1, 03.10.01

      Thanks!
      I would say it is time to go untethered. If you don't want to go through the hassle of making a whole new custom firmware you should be able to just run greenpoison on your phone as is to untether it.
    1. vr4playa's Avatar
      vr4playa -
      I don't mind building the custom firmware, it's just been a while since I JB my old 3G with Pwnage and I forgot where I got the firmware from.

      The OP says you get the original FW from Apple and just customize it with Pwnage.

      As far as greenpois0n goes- is there a how-to thread on here or simple instructions on the dev blog?

      My phone is my life so I don't wanna risk messing it up, even though it technically is messed up now with the tethering requirement
    1. Simon's Avatar
      Simon -
      greenpoison doesnt really need instructions. It is staightforward with what it tells you to do. There is a thread with it though: http://modmyi.com/forums/iphone-news...s-4-2-1-a.html
    1. thazsar's Avatar
      thazsar -
      Quote Originally Posted by Primpilampa View Post
      No sir, I don't have any of those installed.

      Actually I was already jailbroken with greenpoison and my screen was rotating with no problem and then I used pwnagetool 4.2 because it solved the ibooks problem but now no rotating screen.
      I see. Well I don't know what to do about Pwnage BUT I do have a solution. Jailbreak again w/ GP only. You can get the iBooks Fix file from Cydia. If you need the repo for getting that Fix file, email me since I can't post it on MMI.

      [email protected]
    1. vr4playa's Avatar
      vr4playa -
      Thanks! BTW what's up with the Lake Show lately? I'm driving out to LA on Fri, anything you want me to say to Kobe just in case I run into him

      I'm more concerned with running into Derrick Rose though, he's making us Chicago natives and die-hards very proud

      Just checked the thread and it says that it is for Windows only - does it work with Snow Leopard?

      Again, I have no problem building the custom FW I just need to know if I can use the ispw file from the Redsn0w JB or if the one from Apple is different and what I need to build off of?
    1. jimmie geddes's Avatar
      jimmie geddes -
      After a few tries I finally got through the Jailbreak with no errors. The problem I'm having is Cydia will not open. Once I tap it, it opens and closes right away. Any idea?
    1. Simon's Avatar
      Simon -
      Quote Originally Posted by vr4playa View Post
      Thanks! BTW what's up with the Lake Show lately? I'm driving out to LA on Fri, anything you want me to say to Kobe just in case I run into him

      I'm more concerned with running into Derrick Rose though, he's making us Chicago natives and die-hards very proud

      Just checked the thread and it says that it is for Windows only - does it work with Snow Leopard?

      Again, I have no problem building the custom FW I just need to know if I can use the ispw file from the Redsn0w JB or if the one from Apple is different and what I need to build off of?
      Haha, no comment on the Lakers thing...
      greenpoison is for windows and mac. As long as the firmware you have already isn't custom (which it shouldn't be if you used it with redsnow) then you can use that same firmware with pwnage tool to make a custom one.

      Quote Originally Posted by jimmie geddes View Post
      After a few tries I finally got through the Jailbreak with no errors. The problem I'm having is Cydia will not open. Once I tap it, it opens and closes right away. Any idea?
      Did you use the newest pwnage tool?
    1. jimmie geddes's Avatar
      jimmie geddes -
      Yes, I did. and followed this thread. I had Wi-Fi sync and uninstalled it. It took a few times of getting errors and not being able to restore. I finally got it to go through, but can't open Cydia.
    1. Simon's Avatar
      Simon -
      Sounds like your cydia may have been corrupted somehow.
    1. kimvy's Avatar
      kimvy -
      This may be a dumb question, but I was on 4.0.1, had to restore the phone and lost my nifty unlock, but still have blobs for 4.0.2 and upwards. Can I use this to go back and re-unlock. I'm on the newer baseband of 03.10.01. Thanks for the help... Sorry - iphone 4
    1. Simon's Avatar
      Simon -
      Quote Originally Posted by kimvy View Post
      This may be a dumb question, but I was on 4.0.1, had to restore the phone and lost my nifty unlock, but still have blobs for 4.0.2 and upwards. Can I use this to go back and re-unlock. I'm on the newer baseband of 03.10.01. Thanks for the help... Sorry - iphone 4
      No, you cannot downgrade your baseband.
    1. kimvy's Avatar
      kimvy -
      Quote Originally Posted by x98car View Post
      No, you cannot downgrade your baseband.
      Thanks for the help again... very frustrating...
    1. Simon's Avatar
      Simon -
      no prob