iphone 3G jailbreak

Update: For iPhone 1st generation / 2G running 3.1.2 go here.
Here are the steps to jailbreak and unlock iPhone 3G/3GS  running on OS 3.1.2 modem firmware v 5.11.07 with blackra1n:
Before starting these steps, make sure you’ve updated to OS 3.1.2 from iTunes

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