PwnageTool bundle for iPhone 3G running final version of iOS 4.1 has been released. Unlike iOS 4.2 bundle for iPhone 3GS, this one has fully working Cydia and it also supports hacktivation.
Since the current version of Redsn0w reportedly has issues (breaks phone app, Cydia doesn’t work) jailbreaking iPhone 3G on iOS 4.1 (final version), you can use this bundle with PwnageTool to jailbreak your iPhone 3G on iOS 4.1 while preserving your baseband so that you can unlock your phone later with Ultrasn0w.
Warning: Perform the following instructions at your own risk only. we are not responsible if you end up bricking or locking your phone. Only proceed if you are an advanced user, and know what you are doing. Otherwise, it is better for you to stay away from this and wait for the official tools for iOS 4.1 jailbreak.
Step 1:
Download PwnageTool 4.01 from the download link given here
Step 2:
Download the latest version of PwnageTool Bundle from msft.guy here and then extract it to your desktop
Step 3:
Download iOS 4.1 for iPhone 3G, and iTunes 10 for Mac.
Step 4:
Copy PwnageTool that you downloaded in Step 1 to your desktop. Right click, and then click on “Show Package Contents” as shown in the screenshot below.
Step 5:
Navigate to Contents/Resources/FirmwareBundles/ and pasteiPhone2,1_4.2_8C5091e.bundle file in this location and then simply close this folder.
Step 6:
Now start this patched version of PwnageTool, select iPhone 3GS (Don’t worry, doesn’t matter if it not show iPhone 3G) .
iPhone 3GS as your device and you will now notice that PwnageTool will automatically detect iOS 4.1 firmware file as shown in the screenshot below.
Step 7:
Click on "No" when PwnageTool asks you “Do you have an iPhone contract that would activate normally through iTunes?”:
Clicking on “Yes” will update your baseband to the latest version. Click on “Yes” only if you are on an officially supported carrier like AT&T.
Step 8
:
PwnageTool will now create the custom .ipsw file for your iPhone which will be jailbroken.
The following “ihaz Success” screen will confirm that the requested .ipsw file has been created successfully.
Step 9:
You will now have to restore your iPhone to this custom firmware 4.1 file that you created using PwnageTool. Start iTunes, click on your phone icon from the sidebar in iTunes. Now press and hold left “alt” button on the keyboard and then click on “Restore” (Not “Update” or “Check for Update”) button in the iTunes and then release the “alt” button.
This will make iTunes prompt you to select the location for your custom firmware 4.1 file. Select the required custom .ipsw file and click on “Open”.
Step 10:
This will involve a series of automated steps. Be patient at this stage and don’t do anything silly. Just wait while iTunes installs the new firmware 4.1 on your iPhone. Your iPhone screen at this point will be showing a progress bar indicating installation progress. After the installation is done, iPhone will restart automatically and you should now have a fully jailbroken iPhone 3G running on iOS 4.1
Of course you can always downgrade back to iOS 4.0.2, 4.0.1 and 4.0 firmware if you have SHSH Blobs saved.
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