[How To] Jailbreak iOS 4 With Sn0wbreeze 1.6.1

The Dev-Team released PwnageTool to jailbreak iOS 4, but the utility was for MAC only. And, now iH8teSn0w has release the windows version of the utility - Sn0wbreeze 1.6.1.

Sn0wbreeze 1.6.1 is available now to jailbreak iOS 4.0 firmware on iPhone 3GS, iPhone 3G and iPod Touch 2G. Sn0wBreeze is an equivalent of PwnageTool but unlike PwnageTool, Sn0wBreeze supports Windows OS. In this guide you’ll learn how to create a custom firmware with sn0wBreeze v1.6.1 to jailbreak iOS 4 firmware.

Sn0wBreeze can jailbreak:

• iPhone 3GS (Old BootRom + Already Jailbroken but not with Spirit)
• iPhone 3G
• iPod Touch 2G (non-MC)

Disclaimer:

This guide is for testing and educational purposes only. Use it at your own risk. We cannot be held responsible if anything goes wrong.

How to Jailbreak iOS 4 with Sn0wBreeze 1.6.1:

Step 1:

Download:

• Download iOS 4

• Download iOS 4.0 for iPhone 4 - iPhone3,1_4.0_8A293_Restore.ipsw
• Download iOS 4.0 for iPhone 3GS - iPhone2,1_4.0_8A293_Restore.ipsw
• Download iOS 4.0 for iPhone 3G - iPhone1,2_4.0_8A293_Restore.ipsw

• Download iTunes 9.2
• Download Sn0wBreeze 1.6.1
• Download .NET Frameworks 3.5

Step 2:

Install the iTunes and .NET Framework 3.5 (required for Sn0wbreeze). Make sure you’ve installed the latest version of iTunes. Open the iTunes and backup your iPhone data. Now you can proceed. (Download Links below)

Put the iOS 4.0 Firmware and Sn0wBreeze v1.6.1 into a folder on your desktop. (Download links below)

Step 3:

Run the Sn0wBreeze v1.6.1 for iOS 4 and hit next button.

Step 4:

choose Simple Mode. Click the Next Arrow button.

Step 5:

Sn0wBreeze will ask for the iOS 4 IPSW file for your iPhone or iPod Touch. Click on the Browse button and navigate to the folder where you put your iOS 4.0 IPSW file and select it.

Step 6:

Sn0wBreeze will verify your selected firmware file. Hit Next.

Step 7:

On the next screen, Sn0wBreeze will ask you: Do you want to activate your iPhone?

Hit Yes button for hacktivation (for unofficial carriers)
Hit No if you want to use official carrier (AT&T etc).

Step 8:

Hit the Start button. SnowBreeze will start building custom firmware for your iPhone that we will use later to jailbreak iOS 4.0.

Step 9:

Once the custom IPSW file building process is complete, Sn0wbreeze will prompt you if your iPhone is already jailbroken or not. Select the right option.

Step 10:

Then Sn0wBreeze will tell if if you need to put your iPhone into recover mode or DFU Mode depending on whether you iPhone ws jailbroken or not. Now it’s time to restore your iPhone with that custom firmware that you just built using Sn0wBreeze.

Step 11:

Connect your iPhone to iTunes and select your iPhone from the left navigation pane in iTunes. Hold Down the SHIFT key on your keyboard and hit the Restore button (SHIFT + Restore)

Step 12:

Now the iTunes will ask for the IPSW firmware file. Browse to the custom firmware iOS 4 that you built using Sn0wBreeze and select it.

iTunes will Restore your iPhone with custom iOS 4.0 created with Sn0wBreeze. Once the iTunes is done with the restore process, your iPhone will restart automatically.

That's it, now you have a fully jailbroken iPhone with iOS 4.

Unlock iOS 4.0

You can unlock iPhone 3GS and iPhone 3G with UltraSn0w at any baseband.All you have to do is follow the guide below:

• [How To] Unlock All iPhone Basebands With UltraSn0w 0.9.3

Enjoy the new and improved iOS 4.0 and don’t forget to leave us comments below. You can stay tuned for more jailbreak and unlocking info by following us on Twitter and/or subscribing to our RSS feeds.