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Thread: Downgrade iOS 5.0.1 To 4.3.3, 4.3.5 On iPhone 4, 3GS, iPad 2/1, iPod touch

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    Section Moderator sajee's Avatar
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    Default Downgrade iOS 5.0.1 To 4.3.3, 4.3.5 On iPhone 4, 3GS, iPad 2/1, iPod touch

    Downgrade iOS 5.0.1 To 4.3.3, 4.3.5 On iPhone 4, 3GS, iPad 2/1, iPod touch [How To Tutorial]


    iOS 5.0.1 has been released - and, chances are, you may be looking to downgrade to an earlier version of iOS because of one reason or another. Today, we’re going to guide you on how to do exactly that so you can go back to whichever version of iOS you are comfortable with.


    Before you continue, though, keep in mind that you can only downgrade if you have previously backed up SHSH blobs for whichever version of iOS (4.x and below only) you wish to downgrade to. This is because of certain security checks used by Apple to ensure people stick to the latest version of iOS. It is also important to note that as of this writing, iOS 5.0 firmware is still being signed. You can downgrade to iOS 5.0 as long as it is being signed by Apple. The moment Apple stops signing iOS 5.0, you wont be able to downgrade to it even if you have SHSH blobs saved for it.


    Step 1: Download the version of iOS to which you wish to downgrade toDownload



    Step 2:
    Connect your iOS device with your computer via USB cable. Boot into Device Firmware Update (DFU) mode. To do this, you will need to first turn off your device, press and hold Power + Home buttons for about 10 seconds, release the Power button while holding Home button for an extra 10 seconds. You’ll know when you’re in DFU mode, this is when the screen will go completely blank.

    Step 3: Navigate to Windows > System 32 > drivers > etc on Windows or just etc on OS X. Locate a file named hosts, make a backup copy of it and then open it up with a text editor.



    Step 4: Add the following code to hosts and save the file
    74.208.105.171 gs.apple.com

    Step 5: Open up iTunes and choose your iOS device from the sidebar. While holding the Shift (on Windows) or Alt (on OS X) key, click on Restore and choose the firmware file you downloaded in Step 1.


    Step 6: You may receive Error 10xx after doing this, but there is no need to worry about it

    You must download a program like TinyUmbrella or Fix Recovery, open it up and click on Exit Recovery to get out of the error.




    If you followed the steps correctly, your device will now be downgraded from iOS 5.0.1 to the firmware of your choice


    br
    sajee
    Last edited by sajee; 06-03-2012 at 11:00 PM.

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