Apple’s latest firmware upgrade in form of iOS 4.1 will bring Game Center, new HDR photography, fixing iPhone 4′s proximity sensing and bluetooth issues and improving iPhone 3G performance. Although, iOS 4.1 for iPod Touch 4G is already available for download, Apple is expected to release iOS 4.1 to public, anytime today.
Saving SHSH blobs (ECID SHSH) files of iDevice becomes important if you wish to jailbreak your iDevice by downgrading any time in future. TinyUmbrella has been updated ahead of the imminent release of iOS 4.1 and allows you save SHSH blob files.
How to Save iOS 4.0.1 SHSH Blobs on Windows & Mac?
Following is the step by step TinyUmbrella tutorial to save iOS SHSH Blobs using TinyUmbrella. It supports iPhone 4, iPhone 3GS, iPod touch 2G/3G on iOS 4.0.1 without even jailbreaking your device.
1. Download TinyUmbrella for your OS: Mac OSX | Windows| Linux
2. Download iTunes 10, TinyUmbrella works with version 9.0 or above.
3. Start TinyUmbrella and Plug-in your iDevice.
4. Simply click on “Save my SHSH” to save the SHSH files of your iDevice. This will generate a ticket to save SHSH blobs to Saurik’s server.
Once the ticket is generated, it will be activated. You can downgrade your iDevice any time in future with the activated SHSH blobs.
Update: The latest version of TinuUmbrella 4.1.3 allows you to update iPhone 4 to iOS 4.1 without upgrading your baseband to 2.10.4 and preserving 1.59.00 baseband
If you rely on jailbreaking and unlocking your idevice, then you are advised “not to update” to the latest firmware, as soon as it is released. Check this place to know about the release of iOS 4.1.
[TinyUmbrella, iPhone-Dev]
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This is awesome! I just have a quick question, do you have to do this process before jailbreaking? Or can it save the blobs no matter what, as long as I’m still in 4.0.1 (which I am, but it’s jailbroken already) I want to potentially upgrade my phone to 4.1 to try the new photography, then roll back.
It can save the blobs no matter what, just like backing up your device so that you can retrieve the same info anytym in future following simple steps.
Make sure you download TinyUmbrella’s latest version, that will also save you from upgrading baseband for unlocking with ultrasn0w 1.1-1 to work well. Read the first related post for the reference!
hi im in a bit of a situation i wanted to delete all contacts on phone so i followed instructions to a youtube video which advices to erase all content, it was mentioned that the process shoild take about two hours its now been 16 hours and the iphone is stuck on apple logo trying to load, i have a 4.0.1 and am jailbroken and unlocked, well i mean the phone is lol and have only heard of tinyumbrella today, im really confused as to what to do, i have been told that a restore will upgrade me to 4.2.1. but i dont want that what can i do? please help