How To Backup SHSH Blobs (ECID SHSH) Using Firmware Umbrella [Windows]

News | Saturday May 8 2010 3:00 AM | Comments (0) Tags: , , , , , , ,

However, when a user installs the new iPhone OS firmware, the digital signature associated with the earlier firmware is erased. This makes it difficult to restore the iDevice to its earlier firmware.
Saurik, the creator of Cydia has setup a server, which basically mimics Apple ’s verification server so that you can downgrade or restore back to the older firmware by making use of the SHSH blobs.
If you have jailbroken your iPhone 3GS, iPod Touch 2G/3G or iPad then this is important because you might want to restore your iPhone to an older firmware if the newer version includes patches that plug the loopholes used to jailbreak the iPhone OS. As you might know, it took the iPhone hacking community, more than two months to release the software tools to
.So MuscleNerd of the
to future proof it for jailbreaking.
This tutorial will take you through the step by step instructions to backup your ECID SHSH or SHSH blobs of your iPhone 3GS, iPod Touch 2G/3G and iPad.Please note that this can be a time consuming process if you don't know your ECID.
Please note that this guide is for Windows users only. If you are a Mac user, you can checkout our
to download the latest version of Firmware Umbrella to your computer desktop.
' to extract the files to your desktop.
' menu, navigate to
' from the contextual pop-up menu. Confirm the selection by clicking the '
' button.
From the desktop, navigate to
My Computer -> C: -> Windows -> System32 -> drivers -> etc.
' file. .com
'. If found, remove the line of code. Save the file and exit
You will need Java installed on your system to proceed to the next step.
From the desktop, open the extracted
You will now be prompted to input your device ECID, version and to select a SHSH repository
If you do not know your device ECID, download the USBview application by
. You need to then put your iPhone in recovery mode (you can check
If you are putting your iPhone in recovery mode, please
do not forget to take a backup of the contents on your iPhone .
for a helpful guide on backing up your device.
and then press the F5 key to refresh. From the USBview left pane, click on '
'and copy the ECID key from the right side pane.
In the SHSH repository, select '
' from the dropdown menu. This will check Cydia for SHSH and in case it doesn't exist, it will be stored there. Alternately, you may also select '
' to query Apple for your SHSH.
' button. You will be displayed a '
SHSH Saved!
' message once Firmware Umbrella has completed the process.
You may now find a new .shsh file created in the Firmware Umbrella folder on the desktop. Save the file for future use.
This completes the process of backing up your ECID SHSH on a Windows computer. Do try the process out and let us know how it works in the comments below.

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