we posted that Sn0wbreeze 2.0 has been released to jailbreak iPhone 3GS new and old bootrom on iOS 4.1 and all other devices except the iPhone 4, iPad, and iPod Touch 4G. This post is a how to guide for using Sn0wbreeze 2.0 to jailbreak your device (compatibility list below) on iOS 4.1, check the step-by-step guide below:

Disclaimer:

This guide is for testing & educational purposes only. Follow it on your own risk. I’m not responsible for any loss of important data or malfunctioning of your iPhone.

Compatible devices & notes:

* iPhone 2G — No Jailbreak Needed
* iPhone 3G — No Jailbreak Needed
* iPhone 3GS (old bootrom) — Requires you to be already jailbroken. (If you are the old bootrom on Spirit or JailbreakMe use Spirit2Pwn on iWOOWIZ Repo repo)
* iPhone 3GS (new bootrom) — Requires you to be on 3.1.2
* iPhone 4 — Wait for SHAtter exploit, and GreenPois0n jailbreak
* iPod Touch 1G — No Jailbreak Needed
* iPod Touch 2G (MB) — No Jailbreak Needed
* iPod Touch 2G (MC) — Requires you to be on 3.1.2
* iPod Touch 3G — Requires you to be on 3.1.2
* iPod Touch 4 — Wait for SHAtter exploit, and GreenPois0n jailbreak
* iPad — Wait for SHAtter exploit, and GreenPois0n jailbreak

If you have one of the compatible devices, proceed below and follow the step by step guide to jailbreak your device using Sn0wbreeze 2.0.

How To Jailbreak iOS 4.1 iPhone 3G and 3GS With Sn0wbreeze 2.0:

Step 1:

Download and install the latest version of iTunes.

Step 2:

Make a backup of all your important data including settings, apps, music, contacts, and photos by syncing your iPhone with your computer.

Step 3:

Download Sn0wbreeze 2.0 and the original iOS 4.1 firmware file. Move all these to your desktop.

Step 4:

Start Sn0wbreeze and select “Simple Mode” for the easiest procedure.

Step 5:

Sn0wbreeze will ask you to locate the .ipsw original firmware file. Point it to the correct iOS 4.1 file by clicking on “Browse” button. Sn0wbreeze will verify the selected file and then will present you with following screen:

Step 6:

Click on “Yes” when Sn0wbreeze asks you “Do you want to activate your iPhone?” for hacktivation. Click on “No” only if you are on an officially supported carrier like AT&T.

Step 7:

Sn0wbreeze will now create custom firmwares for your iPhone which is jailbroken (Save it on your desktop)

Step 8:

Now Download iReb V4.0 and make sure that iTunes is launched

Step 9:

(This step for iPhone 3G, and iPod touch 2G [MB] only) Launch iReb (to bypass iTunes errors) and choose “Online Mode” then choose your device

Put your iPhone in DFU mode by following this step:

* Turn iPhone off.
* Hold Power and Home buttons together for 10 seconds or so.
* Release Power button but keep holding the Home button until your computer recognizes a new USB device.
* iTunes will now recognize your iPhone

Step 10:

You now have to restore your iPhone to the jailbroken custom firmware by clicking on the iPhone icon on the left sidebar of iTunes then hold the left “alt” button (“Shift” button on Windows) on the keyboard and then clock on “Restore” then release the Alt button. Now select the custom firmware created by Sn0wbreeze and let iTunes go through the several steps it needs to.

Step 11:

Sn0wbreeze doesn’t upgrade your baseband and won’t ever do so, so you can use Ultrasn0w 1.0 to unlock your iPhone by following the step by step guide posted here.

Download iTunes 10 for Windows
Download iOS 4.1 for iPhone 3GS, 3G and iPod touch.
Download .NET Framework 3.5 (required to run Sn0wbreeze)
DownloadSn0wbreeze for Windows
Download iReb V4.0 for Windows

You can also check out our downgrade guides below:

• [How To] Downgrade iPad iOS 4.1 To iOS 3.2.1/3.2.2
• [How To] Downgrade iPad iOS 4.2 To iOS 3.2.1/3.2.2
• [How To] Downgrade iOS 4.2 to iOS 4.1 For iPhone 4/3GS

Use the comments section below to ask questions. And, stay tuned for more info by following us on Twitter and/or subscribing to our RSS feeds.

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Authors: _GadgetNews

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