PwnageTool 3.1.3 is out! This latest version of PwnageTool updates the firmware to 3.1 on iPhone 3GS but preserves the older Modem version (Baseband) to 04.26.08 so that it can be unlocked using ultrasn0w and can be used with any carrier SIM.

The following step-by-step tutorial/guide will help you in running fully unlocked and jailbroken iPhone 3GS with iPhone firmware 3.1 on a Windows PC without having to wait for Windows version of PwnageTool or redsn0w.

The iPhone Dev-Team has released the much awaited PwnageTool 3.1.3 for Mac OS X to unlock and jailbreak iPhone 3GS running on iPhone firmware 3.1. The availability of PwnageTool 3.1.3 means that you can now easily jailbreak and unlock your iPhone 3GS with firmware 3.1 so that it can run on any carrier SIM. Follow the step-by-step guide posted below in order to unlock and jailbreak your iPhone 3GS with OS firmware 3.1.

The infamous iPhone Dev-Team has finally managed to jailbreak iPhone 3GS running on iPhone firmware 3.1. A member from the Dev-Team confirmed the news by posting an update on twitter confirming the jailbreak as successful.