Downgrade 4.3.5 to 4.3.3 on iPhone 4/3GS, iPad, iPod Touch 4G/3G
Few days ago Apple has released iOS 4.3.5, as of now the only jailbreak this available for this iOS is tethered jailbreak, so if you already updated your device to 4.3.5 and would like to have an untethered jailbreak you will need to downgrade your iOS from 4.3.5 to 4.3.3.And because of Apple’s security checks, you can’t just restore the old firmware using iTunes. In this tutorial we will show you how to go around that and downgrade your Apple device; iPhone 4/3GS, iPad, iPod Touch 4G/3G running 4.3.5 to 4.3.3. For iPad 2 3G running 4.3.5 this method will not work because it is not yet possible to downgrade the baseband for this specific version.To get started please follow the steps below:
- Download iOS 4.3.3 for your device:
- iOS 4.3.3 for iPhone 4
- iOS 4.3.3 for iPhone 3GS
- iOS 4.3.3 for iPad
- iOS 4.3.3 for iPod Touch 4G
- iOS 4.3.3 for for iPod Touch 3G
- Connect your device to the computer.
- Put your device in DFU mode by following the steps below:
- Turn Off your device.
- Launch iTunes.
- Press and hold both the power and home buttons for 10 seconds.
- After 10 seconds, release the power button but keep pressing the home button for 10 more seconds. At this point, your screen should be completely black. If you can see the iTunes logo on your device, you’renot in DFU mode, and you need to redo the steps to put your device in DFU again.
- Once your device is in DFU mode follow the steps below:
- For windows users, Right Click on Notepad then click on “Run as Administrator” in the Notepad goto File>Open and navigate to Windows\System32\drivers\etc\ and find a file called “Hosts” (make sure the all files option is selected as shown in the image below)
- For Mac users in the Finder, Click on the Go menu, select Go to Folder and type in /etc/. Now look for a file named hosts. Back it up and open it in TextEdit.
- On either system Windows or Mac, add the following line to the hosts file, then save it. You will need to have administrative privileges on your computer in order to be able to save it:
- 22.214.171.124 gs.apple.com
- Now if you have iTunes Open exit iTunes then Open it Again. Select your device from the sidebar and click on Restore while holding Alt on Mac or Shift key on Windows. Now, browse to select the 4.3.3 firmware you downloaded earlier. iTunes now will downgrade your device to the selected firmware.
- In some cases after iTunes finishes downgrading your device it will put your device in recovery mode and give you an error message. In case you face this issue Click Here to learn how to exit recovery mode.
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