How To Jailbreak iOS 4.1 Beta on iPhone 3G Using Redsn0w[Windows/Mac]

This is strictly for iPhone 3G and iPod Touch 2G (non-MC model) only. If your iPhone 3G relies on an unlock, DO NOT update to iOS 4.1 Beta now as the current version of ultrasn0w cannot unlock this new firmware.

Please Note that this is only for Developers

If you have iPhone 3G (which doesn’t rely on an unlock), or an iPod Touch 2G (non-MC model), then simply follow this guide

Step 1:

Download iOS 4.1 Beta for your version of iPhone and iPod touch.

Step 2:

Update to this latest firmware using the IPSW file you just downloaded via iTunes 9.2

Step 3:

Start Redsn0w 0.9.5b5-5 (download link given below) and point it to iOS 4 (Final Version), and not iOS 4.1 firmware file to proceed with the jailbreak.

Redsn0w 0.9.5b5-5 (Windows)

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Redsn0w 0.9.5b5-5 (Mac)

Step 4:

Now select “Install Cydia” and click “Next”.

Step 5:

Now make sure your device is both OFF and PLUGGED IN to the computer before you click “Next”.

Step 6:

Connect your device in recovery mode by pressing the Power and buttons continuously.

At this stage you will be presented with a screen where you will have to quickly hold “Power” button and then 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:

Once done, your iPhone will restart automatically and you will find it jailbroken on the latest iOS 4.1 Beta firmware.