Sn0wbreeze 1.8 has been released. This is by the same developer who is behind other popular iPhone jailbreak tools such as sn0wbreeze 1.6 and 1.7 for iOS 4, sn0wbreeze for iPhone 3.1.3, f0recast and BlackBreeze. Just like the PwnageTool for Mac, Sn0wbreeze 1.8 can jailbreak iPhone 3GS (old bootrom, and already pwned on iOS 4.x), iPod touch 2G (non MC model) and iPod touch 3G on iOS 4.1 Beta. iPhone 3G users will have to jailbreakusing Redsn0w, guide for which is posted here.
So if you have a Windows machine, you can use Sn0wbreeze 1.8 to create custom firmware files without the upgraded baseband. Again, only the following devices are supported.
- iPhone 3GS (old bootrom and already jailbroken on iOS 4.x)
- iPod touch 2G (non MC model)
- iPod touch 3G
Instructions are as follows.
Step 1: Download and install the latest version of iTunes.
Step 2: Now start iTunes and sync your iPhone with your PC so that it backs-up all your important data including settings, apps, music, contacts and photos.
Step 3: Download Sn0wbreeze and the original iOS 4.1 firmware file for your version of iPhone or iPod touch. Move all these files to your desktop.
Step 4: Start Sn0wbreeze and select “Simple Mode”.
Step 5: Sn0wbreeze will now ask you to browse for your .ipsw file. Select the correct iOS 4.1 firmware .ipsw file by clicking the “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 the custom .ipsw file for your iPhone which will be jailbroken.
Step 8: Now you will have to restore your iPhone to this custom firmware 4.1 that you just cooked using Sn0wbreeze for your iPhone. Click on your phone from the sidebar in iTunes and then press and hold left “Shift” button on the keyboard and then click on “Restore” (Not “Update” or “Check for Update”) button in the iTunes and then release the “Shift” button.
This will make iTunes prompt you to select the location for your custom firmware 4.1. Select that custom .ipsw file and click on “Open”.
Step 9: Now sit back and enjoy as iTunes does the rest for you. This will involve a series of automated steps. Be patient at this stage and don’t do anything silly. Just wait while iTunes installs the new iOS 4.1 on your iPhone. Your iPhone screen at this point will be showing a progress bar indicating installation progress. After the installation is done, iPhone will restart automatically and you should now have a fully jailbroken iPhonerunning on iOS 4.1.
Step 10: Once you are done with the jailbreak process. You can now restore all your settings, apps, music, contacts and photos to the newly installed iOS 4.1 by restoring the backup that you made in Step 2 from iTunes.
Feel free to ask me any question here should you run into any problem during the jailbreak process.
Download iTunes 9.2 for Windows and Mac OS X
Download iOS 4.1 for iPhone 3GS, iPhone 3G and iPod touch
Download .NET Framework 3.5 (required to run Sn0wbreeze)
Download Sn0wbreeze 1.8 (Windows Only) [Fast Mirror link]
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.
You may also like to check out:
- The iPhone 4 has been Unlocked ! [Video]
- How to Jailbreak and Unlock iOS 4.0.1 on iPhone 3GS, iPhone 3G with Redsn0w
- How to Unlock iOS 4 with Ultrasn0w and Blacksn0w on 05.13.04 Baseband [Guide]
- Jailbreak iOS 4 on iPhone 3GS (New Bootrom) with SHSH Blobs [How to Guide] – Mac version here
- How to Jailbreak iOS 4.0 on iPhone 3GS, iPhone 3G and iPod touch 2G using Redsn0w, PwnageTool 4.0 (Windows)
Source: redmondpie
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