Jailbreak iOS 4.0 on iPhone 3G, iPod Touch [Windows, Mac]

Windows user get the sigh of breath with the Jailbreaking iOS made possible on Windows, bringing them inline with Mac OS users.

With Redsn0w 0.9.5 Windows users to jailbreak iOS 4 GM (aka iPhone OS 4) on iPhone 3G and iPod touch 2G. This update also includes optional support to enable multitasking and wallpapers on iOS 4.0 on iPhone 3G and iPod touch 2G (which are Off by default)

Note: This guide is for iPhone 3G, iPod touch 2g only. iPhone 3GS: Jailbreak iOS 4 iPhone 3GS

Warning: This release is strictly meant for Activated iPhones, if you rely on an unlock, better stay away.

Download Redsn0w 0.9.5 for Windows
Download Redsn0w 0.9.5 for Mac OS
Download iPhone iOS 4.0 GM Release
Download iTunes 9.2

Jailbreak iOS4 on iPhone 3g, iPod Touch 2g

Step 1: Update your iPhone/iPod touch to  to this latest firmware via iTunes ( iPhone1,2_4.0_8A230m_Restore.ipsw)

Step 2: Start redsn0w 0.9.5 and point it to the original iPhone OS 4 Beta firmware for iPhone 3G to proceed. Select “Install Cydia” and click “Next”.

Step 3: Turn your iDevice OFF and while PLUGGED IN before you click “Next”.

Step 4: Connect your device in recovery mode by pressing the Power and Home buttons continuously. While holding the “Power” button, you will now have to hold “Home” button too. Now after few seconds release “Power” button but keep holding “Home” button until installation begins.

Step 7: Sit back and enjoy while redsn0w will do all the rest for you. Once done, your iPhone 3G will restart automatically and you will find it jailbroken with iPhone firmware version 4.0.

You will now notice that Cydia has a blank white icon. You’ll also notice that Cydia has no sources. Go to the Sources panel and add http://apt.saurik.com/cydia-3.7 repo. Now restart your phone and you should see the regular standard Cydia logo now.

Enable Multitasking on iPhone 3G, iPod touch 2g

Once done, you can now enable multitasking on iPhone 3G, OS 4 by simply editing  /System/Library/CoreServices/SpringBoard.app/N82AP.plist file via SSH. Open the .plist file and change the multitasking key to = TRUE. If the is not there, add it.

How to Enable Wallpapers:

You can now enable support for Wallpapers on iPhone 3G and iPod touch 2G on OS 4 by editing same file as above with <homescreen-wallpaper> to true.

Other Jailbreak Guides

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