The following step-by-step tutorial/guide will help you unlock your iPhone 3G and iPhone 3GS with the latest iPhone 3.1.2 firmware using ultrasn0w. This unlocking guide applies toiPhone 3G and 3GS only. iPhone 2G users can simply follow the guide I posted here to jailbreak and unlock with firmware 3.1.2.
Note: This unlocking guide will work for you only if [...]

The infamous iPhone Dev-Team has updated its PwnageTool for Mac to make it compatible with the new iPhone 3.1.2 firmware which was released last week. This latest version of PwnageTool can jailbreak the original iPhone (Edge), iPhone 3G, iPhone 3GS and iPod touch (1G and 2G) running on iPhone firmware 3.1.2. The custom .ipsw firmware files [...]

PwnageTool 3.1.4 has been released and is for Mac OS X users only. The following step-by-step tutorial/guide will help you in running fully unlocked and jailbroken iPhone 2G,3G and 3GS with iPhone firmware 3.1.2 using your Windows PC without having to wait for Windows version of PwnageTool or redsn0w.
If you don’t care about the unlock and [...]