TinyUmbrella – How it Works ?
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Ever wondered exactly how the wonder tool from Notcom , TinyUmbrella Works ? What are SHSH Blobs and why are they required ?
SHSH blob is a unique signature file which Apple server checks while you are upgrading or restoring to a firmware for your device. Once a new firmware is available Apple Servers stop singing the older firmware so that your device cannot be downgraded. Once this firmware signing has been stopped there is no way to get the old SHSH which allows you to restore the previous firmware [during downgrading] .
TinyUmbrella Interface :
Tinyumbrella comes to play in this situation . It saves the signature files called SHSH Blobs locally on your computer and on Cydia servers . When you want to downgrade your firmware , Cydia Servers will then restore the saved SHSH on its remote server.
Download :
Tinyumbrella latest version can be downloaded from the official website here .
SHSH Blobs saved on Cydia : The numbers indicate the version and the unique SHSH Blob identifier for your device . SHSH blobs can also be saved using Cydia apps like iSHSHit . It is a Free Cydia app and requires no computer to save the SHSH blobs . SHSH Blob files are direct sent to Saurik’s server where they are saved for latest use .
How to Save SHSH Blobs - Video :
Useful Link :
- Download TinyUmbrella for saving 4.3.1 SHSH Blobs
- How to Downgrade using Tinyumbrella
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I was wondering , I have an Iphone 4 4.1 and I want it to be jailbreaked unthetered to 4.3.1 but do I have to upgrade via Itunes then do it by Redsnow or just choose ipsw file in redsnow and it will update for you too?
befofe updating you have to take into consideration your baseband (known as modem firmware) if you are an unlocker.
If your phone is factory unlocked then go ahead update to firmware 4.3.1 via itunes then jailbreak using redsn0w v0.9.6 RC12.
Otherwise, it is good idea to upgrade to 4.3.1 without upgrading your baseband to 4.10.04 even if it is 2.10.04 which is the 4.1 baseband, it is still locked but with better chances to be unlocked compared to 4.10.04.
to upgrade to 4.3.1 without upgrading baseband you may need tinyumbrella tool. very good tool. google it and you will find so many tutorials to do it. FOLLOW ITS INSTRUCTIONS CAREFULLY.
good luck.
yeah , right , use redsnow
hi
im a jail broken iphone 4 (ios-4.2 bb 3.10) user.
what is shsh why do i have to save it.
please help.. (i ddnt up or down grade my device yet)
im basically an idi0t when it comes to computer talk.. so most things you guys say are over my head.. soo help me out here.. do you have to use the tiny umbrella? because i keep going to their site and it just wont download. maybe im doing something wrong but im just following the instructions. ALSO other sites say i cant jailbreak my phone yet because i recently updated to the 4.3.5 from the 4.2.1
I am using jail broken Iphone 4 version 4.1(8B117),modem firmware (02.10.04) , i am wonder if i would like to upgrade to the updated version of IOS which i can perform untethered jailbreak, what should i do?
Anyone can help?newbie in Iphone.
@Steve Choy: Presuming that your phone is the GSM version (not CDMA), the most recent version of iOS which allows an *untethered* jailbreak is v4.3.3.
In order to retain your existing baseband modem firmware version (2.10.04) in the iOS upgrade process — that is, to *prevent* your modem firmware from being upgraded along with the iOS — I suggest using Sn0wBreeze (Windows only). Sn0wBreeze allows you to create a customized version of the v4.3.3 iOS, which you can then install to your iPhone (via iTunes). See the following article:
http://www.iphone4jailbreak.org/4-3-3-jailbreak-iphone-4.html
thanks for the comment Cui Bono
i have iphone4g 4.3.5 with firmware 04.10.01 but its sim lock so i want to unlock it wat to do
I downloaded tinyumbrella and i clicked save shsh, then it says its been saved thennn it doesn’t show up under my “saved shsh’s” under my device….
Hi, how are you? anyone can help me please, I need to jailbreak my iPhone 4 has the IOS version 5.1 and 4.3.3 and I try to do it but it did not work has firmware 4.11.08 I will be grateful