How to downgrade to iOS 5.1.1 from iOS 6

JM19

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Oct 28, 2010
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With the release of iOS 6 I've been wanting to upgrade my 3GS from the current iOS 5.1.1 to the iOS 6.

If I were to go ahead with the upgrade but ended up not liking it or making my iPhone slow and such, how could I go back to the previous version?

Thanks for any replies.
 

HankHowdy

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Yes you can. Download iOS 5 and connect to iTunes and hold shift while clicking restore and chose iOS 5. That's should work.


Sent from my iPhone 4S? using Tapatalk
 

BLiNK

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look into saving your 5.1.1 SHSH blobs to continue going back to 5.1.1 even after stops signing that firmware
 

JM19

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Downloaded TinyUmbrella and tried saving the SHSH file. This is the log. What exactly does this mean?

09/23/2012 00:54:30.106 Loaded History... 09/23/2012 00:54:31.331 Device connected: iPhone 09/23/2012 00:54:31.386 Loaded History... 09/23/2012 00:55:09.030 Caching shsh files...
09/23/2012 00:55:09.032 Found [0] shsh files to cache...
09/23/2012 00:55:09.034 Cached [0] shsh files
09/23/2012 00:55:09.037 You are using the current version of TinyUmbrella.
09/23/2012 00:55:45.878 Started saving SHSHs for [ iPhone]
09/23/2012 00:55:49.825 For version [iPhone3GS 6.0b1 (10A5316k)] -
09/23/2012 00:56:00.542 For version [iPhone3GS 6.0b4 (10A5376e)] - This device isn't eligible for the requested build.
09/23/2012 00:56:00.593 CYDIA DOES NOT HAVE YOUR SHSH FOR iPhone3GS 6.0b4 (10A5376e) THERE IS NO WAY FOR YOU TO GET THEM. SORRY. YOU ARE JUST TOO LATE.
09/23/2012 00:56:00.602 Finished saving SHSHs for [iPhone]
09/23/2012 00:56:00.715 Caching shsh files...
09/23/2012 00:56:00.725 Found [0] shsh files to cache...
09/23/2012 00:56:00.734 Cached [0] shsh files
 

sherlock

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Under the advanced tab select "save all available SHSH" and deselect "Request shsh from Cydia" then restart TinyUmbrella, and hit save shsh, it won't store them on Cydia but it will store them locally. TinyUmbrella can only save blobs that are currently being signed.
 

JM19

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Under the advanced tab select "save all available SHSH" and deselect "Request shsh from Cydia" then restart TinyUmbrella, and hit save shsh, it won't store them on Cydia but it will store them locally. TinyUmbrella can only save blobs that are currently being signed.

Ok, I followed your instructions and got the following. Under Saved SHSHs for my iPhone this is what is listed:

iPhone3GS 4.1 (8B117)
iPhone3GS 6.0gm (10A403)

Does the above mean I can restore to the above two iOS versions?
 

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