How to Jailbreak iPhone 3G OS 3.0 with PwnageTool 3.0 (Mac)

This is a step by step guide to jailbreak 3G OS 3.0 by using PwnageTool. You’ve to create a custom ipsw, then use it to restore your iPhone device, and it’ll automatically jailbreaks iPhone 3G and after that you’ll be able to install applications. So, first get collect the following equipment to jailbreak iPhone 3G [...]