This guide teaches you how to jailbreak the latest Apple firmware 3.1.3 for the iPhone 3G, iPod Touch 1G, and older iPod Touch 2G using the redsn0w 3.1.2 loophole.

Before we begin there are some things you need to know. First of all for the iPhone 3GS, iPod Touch 3G, and the newer iPod Touch 2G (model number beginning with "MC") jailbreaking 3.1.3 is NOT POSSIBLE at the moment. Do not try. We strongly recommend you DO NOT upgrade to 3.1.3 if you use one of these devices.

Next order of business is for iPhone 3G users. DO NOT Upgrade to 3.1.3 or follow this guide if you need an unlock. Upgrading to 3.1.3 will upgrade you baseband which is not currently unockable.

If you have an iPhone 2G you can jailbreak and unlock 3.1.3 by following this guide.

Lets download the necessary files.

Download the 3.1.2 firmware for your device:

iPhone 3G

iPod Touch 1G & iPod Touch 2G users you'll need to find the 3.1.2 .IPSW that iTunes downloaded onto your computer when you originally updated to 3.1.2

Next Download redsn0w:

Windows redsn0w 0.9.4 download

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OS X redsn0w 0.9.4 download

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