It does so by saving SHSH blobs to the device. While running jailbreak on different models of iPhone is possible, things can also go wrong which usually would turn your shiny Apple device into what people call "a brick" -- a useless piece of hardware.
This makes it necessary to revert the phone back to its previous state. With the ability to reverse jailbreak iOS devices, TinyUmbrella is a third party device that gets the job done. Advanced Search.
TinyUmbrella 9. The way they stop you is basically by a simple response that iTunes receives when you try to restore the firmware of your choosing. See, the firmware is now signed for the below devices.
It is signed with a unique id ECID that only your device has. Your device checks the information and verifies the signature making sure it really came from Apple because it CANNOT be forged as the encryption is very high.
If the signature matches then the restore process can continue. If the signature does not match, the device raises an error and the restore process stops. Return to site. Old Version Of Tinyumbrella. TinyUmbrella 9. Tinyumbrella Exe TinyUmbrella 64 bit is a mobile phone tool that provides iPhone users with a valuable service of restoring their jailbroken iPhone to another firmware version! While this procedure is impossible using regular firmware management tools, this app manages to provide it by using previously saved SHSH blobs for loading and authenticating previous versions of OS firmware.
By having this tool handy and available on your PC, you retain the ability to restore your jailbroken iPhone or iPad to the official operating system, which is a feature that can be quickly and safely done only with help from a third-party app. The procedure for enabling your iPhone to be reverted to an official firmware release is handled completely by the Tiny Umbrella , which runs in the background of your PC and collects information about your iPhone via your iTunes account and official Apple servers.
After successfully scanning the phone's account and collecting all the needed and unique SHSH blobs, it prepares a unique version of the OS update file that is routed to online Cydia servers where it is preserved and offered for access whenever your want it via TSS client or even via offline iTunes update.
In the event that Apple has decided to stop supporting the signing of certain firmware updates, the entire downgrade procedure will become unavailable.
Thankfully the application will notify you with clear warnings.
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