Downgrade iOS 5.0.1 to iOS 4.3.3, 4.3.5 For Untethered Jailbreak
Downgrade IOS 5.0.1 To IOS 4.3.3
The iOS 5.0.1 jailbreak untethered is not yet available, if for some unknown reason you want to downgrade your iOS from 5.0.1 to iOS 4.33, this article is for you. Otherwise you can Semi-Tether you iOS 5.0.1 with Redsnow 0.9.8b8.
Note: This is assuming you have your SHSH blobs saved for iOS 4.3.3. This uses the latest version of RedSn0w 0.9.9b8, TinyUmbrella, and iTunes. You can get the iOS 4.3.3 or below firmware from our Downloads page.
Step 1: Put your device into DFU mode. Navigate to Windows > System32 > Drivers > Etc, Locate hosts file and backup a copy
Step 2: Open the text file with text editor, Paste and Save this Code:
74.208.105.171 gs.apple.com
Step 2: Open RedSn0w > Go to Extras > Click PwnedDFU. Your screen should remain black on your iDevice.
Step 3: Open TinyUmbrella, click Start TSS Server
Step 4: Open iTunes hold Option+Restore (Shift+Restore in Windows) and select the iOS 4.3.3 Firmware.
Step 5: If you receive Recovery Error (1), close out of iTunes.
Step 6: In TinyUmbrella click Advanced and uncheck “Set Hosts to Cydia on Exit…” Close TinyUmbrella.
Step 7: Open RedSn0w > Go to Extras > Click Recovery fix. Your screen should look as if the device is being jailbroken. It should then go back to a solid black screen.
Step 8: Open RedSn0w > Go to Extras > Click Just boot. Your device will now boot and you should see the Pwnapple logo. Your device should now be successfully back on iOS 4.3.3
Step 10: Open iTunes to activate your device.
Downgrade IOS 5.0.1 To IOS 4.3.3
