This tutorial will show you how to upgrade your jailbroken iPhone 3GS from OS 3.0.x to OS 3.1 using PwnageTool for Mac.

If you have a 3.0 iPhone you must jailbreak it using this (Mac, Windows) tutorial before continuing.

Step One
Make a folder called “Pwnage” on the desktop. In it, you will need a couple of things. PwnageTool 3.1.3, found here or here

You will also need the 3.1 iPhone firmware.
3.1.0 (3GS): iPhone2,1_3.1_7C144_Restore.ipsw

When downloading the IPSW file, it is best to download it with Firefox since Safari often auto extracts it!

Step Two
Double click to mount PwnageTool 3.1.3 then drag the PwnageTool icon into the Pwnage folder.

Then from the Pwnage folder double click to launch the PwnageTool application.

Click Ok if presented with a warning.

Step Three
Click to select Expert Mode from the top menu bar

Step Four
Click to select your iPhone. A check-mark will appear over the image of the phone.

Step Five
Click the blue arrow button to continue. You will be brought to the “Browse for IPSW” page. On my laptop, it automatically found the IPSW. If PwnageTool doesn’t automatically find the ipsw file you can click Browse for IPSW….

Click to select the found IPSW file, a checkmark will appear next to it. Then click the blue arrow button to continue.

Step Six
You will then be brought to a menu with 7 choices. Click to select General then click the blue arrow button.

The General settings allows you to decide the partition size. Check Activate the phone if you are not with an official carrier then click the blue arrow button.

NOTE*: Deselect Activate if you have an iPhone legitimately activated on an official carrier.
NOTE*: You may need to increase the size of the root partition slightly. My first attempt failed at creating the IPSW until I increased the size to about 695 MB.

The Bootneuter settings are greyed out for the 3G iPhone. Click the blue arrow button.

The Cydia settings menu allows you to create custom packages so you do not have to manually install the necessary them later.

Click to select the Download packages tab. Then click the Refresh button to display all the available packages. Double clicking the package you want will download it and make it available in the Select Packages tab.

Checkmark the ones you want then Click the blue arrow button.

The Custom Packages Settings menu displays listed package settings for your custom IPSW. For know leave these settings as is. Click the blue arrow button to continue.

The Custom Logos Settings menu allows you to add your own images as boot logos. Click the Browse button to select your Boot logo and Recovery logo. If you would like to use the iClarified ones they can be found here: Boot Logo, Recovery Logo

Remember the rules for them: RGB or Grayscale format with Alpha channel and dimensions below 320×480…

Click the blue arrow button to continue.

Step Seven
You are now ready to begin the pwnage process! Click the Build button to select it then click the Blue arrow button to begin.

Step Eight
You will be asked to save your custom .ipsw file. Save it to your Pwnage folder you created on your Desktop.

Your IPSW is now being built. Please allow up to 10 minutes.

You will be asked to enter your administrator password. Do this then click the OK button.

You will be prompted to close the PwnageTool application then put your iPhone into recovery mode. Click the OK button.

Step Nine
Make sure your iPhone is connected to the computer then follow these instructions to put your iPhone into recovery mode.

When done correctly your iPhone will display an image of the iTunes logo and a usb cable. iTunes will also pop-up saying it has detected an iPhone in recovery mode.

Step Ten
In iTunes, hold the Alt/Option key and click Restore.

Step Eleven
Navigate to the Pwnage folder on your desktop using the dialog window that appears. Select the custom IPSW that was created (iPhone2,1_3.1_7C144_Custom_Restore.ipsw) and click the Open button.

Step Twelve
iTunes will now restore the firmware on your iPhone. This can also take up to 10 minutes. Once done you will be rebooted into jailbroken iPhone OS 3.1!

***THANKS: Thank you to the Dev-Team for their hard work in making this jailbreak and tutorial possible!

thank you http://www.iclarified.com/entry/index.php?enid=5432

DETAILS:

1. GOLDEN RULE: If you are using a iPhone 3G or iPhone 3G(S) with ultrasn0w and rely on ultrasn0w to obtain cellular service then you should only update your device with an .ipsw that is made with the new PwnageTool. There are no second chances with this. You need to remember that PwnageTool will provide an upgrade path to newer versions of the iPhone software in the future.
2. Please read all parts of this post before downloading and using these tools.
3. Read items 1, 2 and 3 again and again.
4. At the bottom of this post are the bittorrent files for the 3.1 capable version of PwnageTool.
5. PwnageTool will work for the iPhone 3GS assuming you have already Pwned it at 3.0 or 3.0.1
6. PwnageTool will work for the iPod touch 2G assuming you have already Pwned it at 3.0 or 3.0.1
7. PwnageTool WILL work for Original iPhone (1st Generation), the iPhone 3G and iPhone 3G(S) and the iPod touch (1st Generation and 2nd Generation) but NOT the iPod touch 3rd generation.
8. For 3G and 3G(S) users who are Pwned, PwnageTool is your key to updating in the future, just remember to never install an update directly from Apple, always use an .ipsw that has been created with PwnageTool.
9. There is no Windows version of PwnageTool it is a Mac OS X tool only, we are not developing a Windows version of PwnageTool.

• http://apfelportal.de/host/images/PwnageTool__3.1.3.dmg
• http://imodzone.net/pwn/PwnageTool__3.1.3.dmg
• http://nevyn.nu/files/PwnageTool__3.1.3.dmg
• http://zcr.me/f/PwnageTool__3.1.3.dmg
• http://dl.opt-6.com/public/PwnageTool__3.1.3.dmg
• http://mirrors.c2wifi.org/iPhone/PwnageTool__3.1.3.dmg
• http://www.spiralnine.com/bin/PwnageTool__3.1.3.dmg
• http://www.hackthatphone.net/PwnageTool__3.1.3.dmg
• http://downloads2.touch-mania.com/PwnageTool__3.1.3.dmg
• http://coldgame.de/PwnageTool__3.1.3.dmg
• http://files.mackgoodstein.com/PwnageTool__3.1.3.dmg
• http://dev.poorlad.com/PwnageTool__3.1.3.dmg

http://blog.iphone-dev.org/

@chronicdevteam will probably post any interesting updates here : http://qik.com/chronicdevwill #ipt3 #31firmware #pois0n #hax

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