How to Downgrade iPad 3 IOS 4.3.5 to iOS 4.3.30
By Aamina | Aug 25, 2011 | In Windows
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As an iDevice user, have you wanted to downgrade iOS 4.3.5 to iOS 4.3.3 on your iPhone/iPad/iPod touch? If you want to have a try, just follow your steps in this article.
Many iDevice user have encountered a problem, they want to downgrade
iOS 4.3.5 to
iOS 4.3.3 firmware on their iPhone/iPad/iPod touch, but do not know the steps. If you also have this intention, this article will tell you how to
downgrade iOS 4.3.5 to iOS 4.3.3 on your device. Then let us have a look at the details in the following.
How To Downgrade iOS 4.3.5 Firmware on iPhone, iPad, iPod touch to iOS 4.3.3 Firmware?
NOTE: This guide will only work if you have shsh blobs saved for the particular firmware you are downgrading too.
Step 1: Download old Software Update .ipsw files iOS 4.3.3.
Step 2:
Put your device into DFU mode.
- Connect your device with iTunes
- Hold down the Power and Home buttons together for 12 seconds
- Release Power button but keep holding the Home button for 15 seconds.
iTunes detected message, your device in DFU mode, if iPhone screen is blank in DFU mode, if not black screen most likely in Recovery Mode, not DFU mode.
Step 3: We are going to change the address to Saurik' s server in windows. Open Notepad as administrator.
Select Notepad "File" (top left corner) then press open this path C:\Windows\System32\drivers\etc\" then change mode to show all files, and locate "hosts" file then open.

Step 5:
Once open "hosts" file in Notepad then put this address in last line.
"74.208.105.171 gs.apple.com"
Now just save your file(File>Save) or press (ctrl S) on keyboard.

Step 6:
That's it open iTunes, Now restore your iPhone or iPod touch old firmware Hold Shift key then press restore button navigate iOS 4.3.3.
After restoring your iPhone or iPod Touch and iPad 2. 1 you will see that iTunes will throw this error 1011, 1013 or 1015 don' t panic this trick is worked. iTunes is Successfully Restored your iOS Device.

Step 7:
Now you must remove 74.208.105.171 gs.apple.com line on "hosts"
You will need to exit your device from Recovery Mode.
Now you have successfully downgrade iOS 4.3.5 firmware on iPhone, iPad, iPod touch to iOS 4.3.3 firmware, hope it is helpful. If you want to know more, please stay tuned, we will post better information.
iPad Related Firmware Free Download for Win 7/Vista/XP