How to downgrade ios 5 beta 4 to ios 4.3.3

Tutorial downgrade to 4.3.3

First u must have 4.3.3 shsh

here we go

1. DFU mode (hold power + home 10 second release power button and hold home button until itunes detected ur device on recovery mode with blank screen)

2. On windows Go to C:\windows\system32\drivers\etc\hosts

edit hosts:

*74.208.105.171 gs.apple.com*

On Mac:

* Open Finder

* Hold down COMMAND + SHIFT keys and press 'G'

* Enter "/private/etc/" in the field and press "Go"

* Find "hosts" file in the directory

* Drag the file to your desktop

* Open it in text editor

edit hosts:

*74.208.105.171 gs.apple.com*

3. Go to itunes, shift + restore, choose 4.3.3

4. If it done, it will shown 1013...

4b. Click ok and iphone will shown itunes and cable image (recovery mode)

5. downlod fixrecovery [url=http://cache.firmwareumbrella.com/downloads/fixrecovery-win.zip]WINDOWS[/b]

5b. Make ur iphone into DFU mode again

6. Choose fixrecovery43.exe... :

Image: http://cdn.jaxov.com/wp-content/uploads/2011/03/TinyUmbrella-FixRecovery.jpg?9d7bd4

8. If done iphone will shown emergency mode... good job... :)

9. activation and done

10. enjoy 4.3.3