Yesterday, we have reported that Apple has released the iOS 5.1.1 to fix some of the security measures and stability improvements. Read the Full article here :- Download iOS 5.1.1 and how to install the iOS 5.1.1 on iphone, ipad and ipod touch.

Now, I think you are familiar with the Term ”Downgrading”. If not let me explain you first. Downgrading is a process by which you can go to previous version of your operating system in case if you don’t like the Newer Version of iOS for your iDevice.

So, if you have upgraded your iOS to the latest version, then you can tether jailbreak your iDevice with the Redsn0w 0.9.10b8b .  But if you are not happy with it, then this is the article you might want.

With this useful guide, you can easily and safely downgrade your iDevice from the iOS 5.0.1 to any of the versions iOS 5.1, iOS 5.0.1 or iOS 5.0. Please note that this guide is only applicable to the A4 devices .

OS 5.1.1 Downgrade Requirements: 

• If you have an iPhone 4, iPhone 3GS, iPad 1G, iPod Touch 4G, iPod Touch 3G then this how to guide will work for you. For those looking to downgrade their iPhone 4S or iPad 2 you are out of luck at this time unfortunately.
• APTicket + saved SHSH blobs for the iOS 5.0.1 or iOS 5.0 firmware.
• A Windows computer.

Steps to Downgrade iOS 5.0.1 Using iFaith

Step 1) – First of all, you will need a tool called iFaith by  iH8Sn0w – the developers behind this awesome tool . This tool will let you to Save the SHSH blobs of your iPhone, iPod Touch or iPad for your current firmware.

• click here to download iFaith 1.4.2 (Windows)

Step 2) - Now once you have downloaded the iFaith tool, then double click to run it and click on OK when a warning message is displayed.

(Warning Message :- This software is not for commercial use. If you ……………………………equipment, BE WARNED. )

Just skip this message from mind, its just a warning !! OK………

Step 3) - When you click on OK button, you will find a  Build *signed* IPSW w/ Blobs button on the next screen, just click on it.

Step 4) – Upon clicking the button previously mentioned you will need to browse for the saved SHSH blobs file that was created when you saved your SHSH blobs for the iOS 5.0.1 or iOS 5.0 firmware.

Step 5) – It is now time to browse for the iOS 5.0.1 or iOS 5.0 firmware file. Depending on which SHSH blob file you selected you will need to select either the iOS 5.0.1 firmware file or iOS 5.0firmware file.

Step 6) – After you have selected the right firmware file iFaith will begin creating your custom firmware file.

Step 7) – When your custom firmware file has been created go back to the iFaith main menu (if you are not there already) and click the Use DFU Pwner (iREB) button. Now simply follow the instructions presented to you for putting your iPhone, iPod Touch or iPad into pwned DFU mode.

Step 8 ) – With your iOS device in pwned DFU mode you will need to launch iTunes and restore your iPhone, iPod Touch or iPad to the custom firmware file you created. This can be done by Option (alt) clicking the Restore button on Mac OS X or by SHIFT clicking the Restore button on Windows.