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How to downgrade a IOS 5.1.1 to IOS 5.0.1, IOS 5.0 custom firmware on iPhone 4/3GS, iPhone 1G, iPod Touch 4G/3G

Posted on May 9, 2012 by in Jailbreak | 0 comments

How to downgrade a IOS 5.1.1 to IOS 5.0.1, IOS 5.0, Yesterday Apple released a new update of IOS as we all know this is bug fixes and small improvements in stability when shooting HDR. While users are warned to stay away from updating your iPhone, iPod Touch or iPhone OS 5.1.1 to i am sure there are people who accidentally updated. If you saved the SHSH of previous versions you can know that if you can download IOS. Following, a guide on how to do. I leave you a video on how to create the custom firmware in the post more information.

Currently you can do the tethered jailbreak with redsn0w, but if you had Untethered Jailbreak 5.1.1 and upgraded to IOS ‘ll know you lost the jailbreak. So if looking for a guide on how to downgrade to IOS 5.0.1 or 5.1.1 iPhone OS 5.0 will be able to do this tutorial.


Having a iPhone 4/3GS, iPod Touch 4G/3G and iPhone first generation
Having saved APTicket + SHSH blobs
Having Windows
Having downloaded the tool iFaith 1.4.2
IOS have either 5.0.1 or 5.0 on your desktop with their respective SHSH

For Mac users can use RedSn0w to create your custom firmware with SHSH

Note: If you have an iPhone 4S or iPad 2 unfortunately you can not lose iOS until it is released a tool to do it, but always keep the SHSH blobs for use in the future.

iFaith 1.4.2 it does is create a custom firmware for our device with integrated SHSH. allowing us to put it into iTunes to return to the previous version we had with SHSH.

Download iFaith 1.4.2 for Windows

Guide how to Downgrade IOS to IOS 5.1.1 5.0.1 / IOS 5.1

Step 1: Run the iFaith you will get a welcome screen give OK to close

Step 2: We will get a window with 4 options, we will choose the one that says * signed * Build IPSW w / Blobs the We select.

Step 3: We will open another window which asks us to seek the SHSH Blobs we want to create the custom. Look here if you want to return to iOS 5.0.1 or 5.0.

Step 4: After selecting the program it will check and then ask you to locate the IOS corespondiente the SHSH either 5.0.1 or 5.0.

Step 5: After you have selected the Firmware iFaith verify it, will get a window giving credit to several users and then give that says Build IPSW. At this point the process will be a bit long and it started to create your personalized custom firmware. Below see what makes iFaith steps while creating the Custom.

Once completed you will get a window in which will Proceed to put your device in DFU and restore to the Custom Personalized they created, is at his desk with a name such as:

00000011A91DFD74_iFaith_iPhone_4-5.0.1 (9A405) _signed

To restore put it in DFU as indicated by the iFaith Windows then go to iTunes button press Shift + Souped, select the custom personalized and wait to be full restoration.

Souped If iTunes gives you a common mistake the 3194 have to use TinyUmbrella to Souped without this error.

Step 1: Download latest version of the following link TinyUmbrela

Download TinyUmbrella 5.10.15 for Windows :

Step 2: Run TinyUmbrella and clicking where it says Start TSS Server, where twelve target LOG and you will see that without closing the TinyUmbrella says:

TSS Server Started!
TSS Accepting connections …

How to downgrade a IOS 5.1.1 to IOS 5.0.1, IOS 5.0, If I get this all is working well, and can return back to iTunes to restore with the custom, at this time saliar debeira not any errors, not close the TinyUmbrella.

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