How to Downgrade iOS 4.3.5 Without SHSH blobs saved ? We showed you before that How to downgrade iOS 5.0 to 4.3.3 in General we didn’t put to you if it works on Iphone 4 or 3GS or Ipad 1, 2 but now our reader George Father comment on our previous post that he successfully able to Downgrade iOS 5.0 to iOS 4.3.3 on Iphone 4 and see the steps without error. Only tested on an iPhone 4 and 3GS – to successfully downgrade to 4.3.3 from 5.0:

How to Downgrade iPhone 44.3.5 without saved SHSH blobs files Tutorial :

Step 1: You have to go to “C:WindowsSystem32driversetc” , and replace “HOST” file with the downloaded one in “Restore Files” folder. ( Restore files here –>  )

Step 2: Open Redsn0w 0.9.8b5 for Windows /Mac and Jailbreak your device but you have to point to iOS 4.3.3.

Step 3: Open SnowBreeze 2.7.3 , choose expert mode, then create pwsd (i think its what is called) allow it to do what it does, then just follow through the on screen instructions.

Step 4: It will now be in Pwned DFU Mode

Step 5: SnowBreeze will have saved the custom 4.3.3 firmware on the desktop, load up iphone, it will prompt you to restore, on windows press shift and click restore – this will browse to a file of your choice, choose the one on the desktop.

Step 6: This will downgrade your iphone through iTunes it will boot up with a fully restored iPhone.

Step 7: Create a custome 4.3.3 restore with Sn0wBreeze 2.7.3 (i went with expert mode and didnt change any options)

Step 8: Enter Pwned DFU Modethrough Sn0wBreeze

Step 9: Run Tiny Umbrella and start the TSS server.

Step 10: load iTunes and start the restore process with your custom restore file.

Step 11: Now you are on Iphone 4 iOS 4.3.3 and you able now to use JailbreakME 3.0– UnTethered Jailbreak.