What Is SHSH? Why Save SHSH? How To Save SHSH? [IFAQ]

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Video: What Is SHSH? Why Save SHSH? How To Save SHSH? [IFAQ]

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Video: HOW TO SAVE SHSH BLOBS FOR FUTURERESTORE 2023, February
What Is SHSH? Why Save SHSH? How To Save SHSH? [IFAQ]
What Is SHSH? Why Save SHSH? How To Save SHSH? [IFAQ]
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This article is intended only for those users who require jailbreak on Apple mobile devices. For me personally, an iPhone or iPad without a jailbreak, even if "tethered", is of little interest. And I will add that it is precisely because of the possibility of "jailbreak", which allows you to turn the device into more functional and convenient, that I fell in love with these wonderful devices, and from the many on the market, I chose them.

What is SHSH?

When studying questions about how to jailbreak or how to roll back (downgrade) the version of an iOS firmware, you will definitely come across the concept of SHSH. In this article, we will try to describe in detail what it is and why save SHSH.

SHSH in Cydia
SHSH in Cydia

And so, a little theory: SHSH or ECID SHSH, SHSH blobs are a unique digital signature (certificate) of each mobile device running on iOS. As you know, Apple allows you to reflash an i-device not to any, but ONLY to the latest firmware version that is available in iTunes. When restoring the firmware, iTunes contacts the Apple servers, to which it sends some corresponding software code and ECID (unique device identifier), in response, an SHSH certificate is received, which is necessary for the iBoot module responsible for downloading, and in due time it will determine the possibility of recovery (flashing). If the sent SHSH turns out to be unacceptable for the restored version of the software, then iTunes will give you an error, usually 3194, and the only easy way to bring your device back to life is to restore it to the firmware version.suggested by iTunes. As a rule, for the latest version of iOS, to which you will recover, hackers will not release a jailbreak yet and you will only have to wait for the release or, at best, use a "tethered jailbreak". Recently, Apple has been providing more serious protection for its software, and the timing of the development of the next version of the full jailbreak from hackers speaks about this.

When restoring software, Apple checks SHSH on iPhone 3GS, iPhone 4, iPod Touch 3G, iPad, iPad 2, and starting from iOS 4 - on iPhone 3G. If you do not have the saved SHSH update the firmware of one of these devices, then you will not be able to return to the older one. The only exception is iPhone 3G - even without saved SHSHs, you can always roll back to firmware version 3.x

Why save SHSH?

The saved SHSH certificates provide the ability to restore your device software to the firmware version for which the SHSH is saved.

SHSH storage methods

SHSH digital signatures for Apple-signed firmware versions can be saved in the following ways:

- automatically when you open Cydia and have an Internet connection;

- by clicking on the "Make My Life Easier" button in Cydia (if it appears);

Make My Life Easier
Make My Life Easier

- by clicking on the "Save SHSH" button in the TinyUmbrella program;

SHSH with TinnyUmbrella
SHSH with TinnyUmbrella

SHSH digital signatures for the firmware version installed on your device and NOT signed by Apple can be saved using the iFaith program.

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