How to Downgrade Your iPhone 3G,3GS,4 or 4S with baseband 5.1 to 5.0.1 / 5.0 Without SHSH

This is a fast tutorial how to downgrade iOS 5.1 to 5.0.1 / 5.0 without SHSH iPhone, iPod touch or iPad? Few weeks ago we showed you full step by step tutorial to downgrade from iOS 5.1 to 5.0.1 / 5.0 / 4.3.3 on iPhone 4, 3GS, iPod touch 4G, 3G, iPad 2 and iPad 1 using saved SHSH files. As most of you know that iPhone, iPad and iPod users are interested in downgrading 5.1 to 5.0.1 / 5.0 to get fully untethered jailbreak.

We have good news for you, we have just been tipped from one of our readers that he was successfully able to downgrade his iPhone 4 from 5.1 to 5.0.1 without shsh blobs files.

Downgrade 5.1 to 5.0.1 / 5.0 - iPhone 4, 3GS, iPod Touch 4G, 3G, iPad 2, 1 :

Required Downloads :

• Download Host file
• Download Sn0wbreeze for Windows
• Download TinyUmbrella - Windows / Mac
• Download FixRecovery - Windows / Mac
• Download Redsn0w for Windows / Mac
• Download iFaith
• Download iOS 5.0.1 / 5.0 for your iOS device
• Download iTunes Windows / Mac

How to Downgrade 5.1 to 5.0.1 / 5.0 without SHSH blobs files Tutorial :

Step 1: You have to go to C:\Windows\System32\drivers\etc , and replace "HOST" file downloaded above.

Step 2: Open redsn0w and jailbreak your device, you can follow this tutorial - Click Here - but you have to point to iOS 5.0.1 or 5.0

Step 3: Then the iPhone will stop on the recovery mode.

Step 4: Open Tinyumbrella (can be found in "Restore Files" folder above), then click on your iPhone name at the left then press on Start TSS Server.

Step 5: Open iTunes and restore your iPhone with iOS 5.0.1 / 5.0 firmware (Shift + Restore) then close it.

Step 6: You will find error 1013, at this time you have to use Fixrecovery (can be found in "Restore Files" folder above).

Step 7: Open iFaith (downloaded above) and Save shsh file.

Step 8: Open sn0wbreeze (downloaded above) to create custom iOS 5.0.1 firmware and restore with it. Done.

Note: We have not had a chance to verify this guide, so if you gonna try it, please feed us back, specially iPad 2 users.

Common Errors: 

• If you get  3194, 1600, 1602, 1013, 1015, 20 errors, you can fix it - Click Here.
• If you get 1611 error, you can fix it - Click Here.

[Thanks Grant]