This post will show you how to use Sn0wbreeze to downgrade, jailbreak and hacktivate all at one. It is important you have your SHSH blobs on file for the iOS version you want to downgrade to.
If you don’t have your SHSH blobs on file for the iOS you want to downgrade to, you will not be able to downgrade. You can check which SHSH blobs on file you’ve got by launching Cydia and looking at the top of the Cydia homepage where it lists all your saved SHSH blobs.
Things You’ll Need:
• Sn0wbreeze (Download)
• iOS firmware IPSW that you are downgrading to, get it here or here.
• Your SHSH Blob that you saved with either TinyUmbrella or iFaith. If you can’t find your TU SHSH Blobs, click here to learn how to download them.
1. Right click sn0wbreeze and set compatibility to windows XP (service pack 2) if you are on Windows 7 or Windows Vista and run as administrator.
9. Click “Start” when you are ready to put your iDevice into DFU mode. You can do it by following the on screen instructions or by following these steps:
I. Hold down the power button for 3 seconds
II. Continue holding the power button and start holding the home button and continue HOLDING BOTH for 10 seconds
III. Let go of power and continue holding home button for 20 seconds (or until Sn0wbreese starts to run recognize your iDevice).
10. Open iTunes (if it’s not open already) and go to your iDevice in iTunes, then hold down Shift + left click restore. Browse for the IPSW that Sn0wbreeze created, it should be on your desktop by default.
Optional: If you get stuck at the Apple Logo and the loading bar at the bottom (like in the image below). Just do a force reboot, by holding the power and home button until the screen goes black, then release the HOME button and hold the POWER button until the device turns back on. You will see the Apple Logo and the loading bar at the bottom again, but this time it should go through the process.
11. After iTunes is finished, you should now be on the desired firmware that you selected.
• If you get an iTunes 11 or 1015 error message TOWARDS THE END of your restore you will have to use TinyUmbrella to kick it out of recovery mode. Download TinyUmbrella here.
• If you get iTunes 2005 error, that’s a connecting problem or probably a hardware failure. Try reinstalling the USB drivers fixed the problem and/or rebooting your PC. If that doesn’t work, try a different computer.
• If you get iTunes 3194 error locate c:\windows\system32\drivers\etc\hosts delete any line with gs.apple.com or check out this post for assistance.
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