iOS 4.3.1 untethered jailbreak for iPhone, iPod touch, and original iPad is now available for both Windows and Mac. RedSn0w will works for iPhone 4G, iPhone 3GS, iPod Touch 4G, iPod Touch 3G, and the second generation of Apple TV. iPad 2 is currently not supported yet.

Unlike PwnageTool, RedSn0w updates your baseband, hence if you RELY AN UNLOCKED for your iPhone, THIS WILL NOT SUITS YOU.

What you need:

- iTunes 10.2.1 or higher
- redsn0w for Windows or Mac
- iOS 4.3.1 IPSW fileiOS 4.3.1 IPSW file (firmware) for your specific device

Step 1 : Make sure your iPhone is on firmware 4.3.1.

Step 2 : Download RedSn0w 0.9.6rc9 and the iOS 4.3.1 firmware from the link above, and save it at your desktop, and you are ready to rock!

Step 3 :


After you launch RedSn0w, you will need to browse and choose the custom firmware you downloaded at step 2.

Step 4 :


When it successfully identified the firmware, click next.

Step 5 :


Just checked the "Install Cydia" box, and click next. You can also install custom boot logos for example, but this is just optional. Click Next to continue.

Redsn0w will then walk you through how to place your device in DFU mode. Make sure your device is OFF and plugged in to your computer.

Step 6 : If you successfully enter DFU mode, RedSn0w will now jailbreak your iPhone. You should see a bunch of funny code displaying on your iPhone, then you should see a pwnapple. It’s all good, relax and let the magic happen

Step 7 : Once done, your iPhone will reboot by itself. You should now have a jailbroken iPhone with Cydia installed. If you ever failed to enter DFU mode however, just repeat it from step 3.