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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. Simon's Avatar
      Simon -
      Quote Originally Posted by 3gs_16gig View Post
      i have a question about unlocking an iphone4 with 03.10.01 firmware if you or someone message me i would appreciate it
      No way to unlock it yet.
    1. 3gs_16gig's Avatar
      3gs_16gig -
      Ok I guess I'll wait for an update. Do u know when it is suppose to come out
    1. Simon's Avatar
      Simon -
      Sometime after 4.3 drops
    1. 3gs_16gig's Avatar
      3gs_16gig -
      Yeah I know that I ment when is 4.3 coming out
    1. Simon's Avatar
      Simon -
      Nobody knows but Apple
    1. bluaeon's Avatar
      bluaeon -
      Is anyone having problem starting cydia after jailbreak? Cydia is shutting down on me right away. Hmmmm!!! Any help pls.
    1. Simon's Avatar
      Simon -
      What device do you have and what did you jailbreak with?
    1. bluaeon's Avatar
      bluaeon -
      X98car: i got my ish fixed. Lol!! Now the google maps is not working. Whenever i start it it shuts down. Anyone have this prob? I have the iphone4.
    1. lukasss's Avatar
      lukasss -
      Quote Originally Posted by lukasss View Post
      After this jailbreak on my IP4, i have no signal at all...been jailbreaking since the OG iphone and have never had this problem.

      Anyone have the same exp?
      Again, i ask
    1. thazsar's Avatar
      thazsar -
      Quote Originally Posted by lukasss View Post
      Again, i ask
      Sounds like it was hacktivated. You 'might' have to restore - activate - then jailbreak
    1. rolandgabor's Avatar
      rolandgabor -
      Hi Guys,

      It has been a while since i had to JB my phone, so i would like to ask for some help.
      If i JB again with the new PWNAGE 4.2 do i have an option to preserve the apps i purchased from Cydia?

      Thank You for the help
    1. Simon's Avatar
      Simon -
      Any apps you purchase from cydia can be downloaded again for free just like the app store.
    1. rolandgabor's Avatar
      rolandgabor -
      Quote Originally Posted by x98car View Post
      Any apps you purchase from cydia can be downloaded again for free just like the app store.
      thank you very much.
    1. Simon's Avatar
      Simon -
      no prob