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Now Jailbreak iPhone 3GS On Firmware 3.1 Through Windows

Users on Windows don't have to wait for Windows version of PwnageTool or Redsnow, following is step-by-step tutorial/guide will help you to fully unlock and jailbreak iPhone 3GS with Firmware 3.1 on a Windows PC.

Unlock iPhone 3GS Through Windows

We are writing this post for those users who are on jailbroken firmware 3.0 or 3.0.1, new version of Pwnage Tool enables us to update to firmware 3.1 without altering baseband of your iPhone, for those of you who have upgraded to firmware 3.1 from iTunes but have saved your SHSH file to Cydia, you can still unlock/jailbreak but first you will have to downgrade your firmware back to 3.0 or 3.0.1. Click Here for details on downgrading your iPhone form firmware 3.1 to 3.0.

Steps To Jailbreak iPhone 3GS on Firmware 3.1 Through Windows

  1. You should have latest iTunes version, Click Here to download if you don't have it.
  2. Now connect your iPhone with your PC using USB Ports of your computer and start iTunes and sync your iPhone with your computer, iTunes will backup your iPhone data
  3. Now you have to download custom .ipsw file for you iPhone 3GS which has been generated using PwnageTool 3.1.3. Just Google "Download iPhone 3GS Custome ipsw file for Firmware 3.1" or "iPhone2,1_3.1_7C144_Custom_Restore", and you will get no.of links to download the desired .ipsw file.
  4. Update : Download Custom IPSW of Firmware 3.1 for iPhone 3GS

  5. After downloading custom .ispw file, you will need to move it to "iTunes" directory in your computer, if you don't know path of iTunes9 directory, just go to Start->Search->Files and folder and type "iTunes" and hit enter, it will show "iTunes" folder in search. Open "iTunes" folder once you find it and paste downloaded .ispw file at following location:

    C:\Documents and Settings\[Your User Name]\Application Data\Apple Computer\iTunes\iPhone Software Update\

  6. Now you need to update/restore your iPhone with custom .ispw that you downloaded for your iPhone 3GS. Restart iTunes, it will prompt to install new 3.1 firmware, DON'T update firmware from that box, just close it. Select your device (iPhone3GS) from iTunes DEVICES tab as shown below.
  7. To restore original settings on your Apple device, press and hold left "ALT" button on the keyboard ("SHIFT" button for Windows), iTunes will give you option for Upgrade and Restore, click on "Restore" option in the iTunes and then release the "ALT/SHIFT" button. You will be prompted to select .ipsw file, just browse and select the downloaded .ipsw file and restore it as shown below
  8. Select iPhone 21_3.1_7C144_Custom_Restore firmware file

That's all! Leave the rest to iTunes :) You will see a progress bar in iTunes showing upgrade/restore process progress, if it's taking long, give it some time, the process takes some time, don't interrupt in middle of process as it may harm your iPhone device. After completion of process you should have a jailbroken iPhone 3GS running on firmware 3.1.

Update : Jailbreak iPhone 3GS on Firmware 3.1 with PwnageTool 3.1.3
Update : Unlock iPhone 3GS on Firmware 3.1 through Ultrasnow

Download iTunes 9 for Windows
Update: Download iPhone OS 1.1 To 3.1.3 All Custom IPSW Files Directly

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Leave a message...

    Ricardo10 years, 11 months ago

    Very good! Thank you!

    Jaxov10 years, 11 months ago

    Stephen, Follow step-4. Use search utility of Windows, if you have installed iTunes properly, Windows search will automatically take you to iTunes folder.

    MagnumHandy10 years, 12 months ago

    What if my phone is already running 3.1. Can I jailbreak/restore? thanks.

    steve10 years, 12 months ago

    I have 3.1 (7C144) in my version box, and I have no mms, am I only half there?

    stephen10 years, 12 months ago

    I get as far as this C:\Documents and Settings\[Your User Name]\ NO application data folder!!!! so what now???

    stephen10 years, 12 months ago

    ant find this location C:\Documents and Settings\[Your User Name]\Application Data\Apple Computer\iTunes\iPhone Software Update\

      Jaxov10 years, 12 months ago

      It means you haven’t installed iTunes properly…

        stephen10 years, 12 months ago

        how can you not install it properly?? it all works

          stephen10 years, 12 months ago

          ive justinstalled itunes on another pc in the house and it still only goes as far as this C:\Documents and Settings\[Your User Name]\

            stephen10 years, 12 months ago

            its ok sorted it had to show hidden files and folders! process didnt work tho came up with error 1604 whatever that is