These are instructions on how to jailbreak your iPhone 3GS on the 3.1.2 iPhone firmware using RedSn0w for Windows. The Mac version of this tutorial is here. The 3G version of this tutorial ishere . The 2G version of this tutorial is here

This tutorial can be used to jailbreak before applying the BlackSn0w unlock. You can find instructions on how to apply the unlock here.

Step One
Create a folder on your desktop called Pwnage

Download RedSn0w from here and place it in the Pwnage folder. Likewise, download the latest 3.1.2 firmware from below and place it in the same folder.

3.1.2 (3GS): iPhone2,1_3.1.2_7D11_Restore.ipsw Read the rest of this entry

This tutorial will show you how to jailbreak and unlock your 2G iPhone on the 3.1.3 iPhone firmware.

You can find the 3G version of this tutorial: here.

Alright, first make a folder on the desktop. In it, you will need a couple of things. The two bootloader files:
- BL 3.9
- BL 4.6
Pwnage 3.1.5, found here.
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