[WINDOWS] Downgrade iPhone 4S and iPad 2 to iOS 6.1.3 using OdysseusOTA without SHSH blobs

In the meanwhile, a reddit user, e1ghtSpace has some details to downgrade the updated version to the previous iOS 6.1.3 without SHSH blobs. The tool is called OdysseusOTA which can work with devices launched in 2011 or more specifically, the iPhone 4S and iPad 2. Both of these devices run on the same A5 chip and can be downgraded to iOS 6.1.3 using the aforementioned OdysseusOTA.

Downgrading Tutorial

Step 1. Download files:

iPad2,1 6.1.3 Downgrade Windows
iPad2,2 6.1.3 Downgrade Windows
iPad2,3 6.1.3 Downgrade Windows
4S 6.1.3 Downgrade Windows
Win32 OpenSSL v1.0.2d

Step 2. Install Win32 OpenSSL v1.0.2d .

Step 3. Install iOS Terminal (BigBoss) , Apple File Conduit "2" and OpenSSH (Cydia/Telesphoreo) . Reboot your device.

Step 4.  Use iTools copy kloader and pwnediBSS in extract folder you downloaded. Drag to File System Jailbreak, root folder

Step 5. On iPhone open Terminal type command :

cd[space]..  

cd[space].. 

su 

alpine 

chmod[space]+x[space]kloader 

./kloader[space]pwnediBSS

Now device in DFU mode

Step 6.  Reconect USB cable.

Step 7.  Go to folder libimobiledevice in extract folder you downloaded. Press and hold the Shift key and right click on the folder, and click on Open command windows here . Type command:

  

idevicerestore[space]-e[space]custom.ipsw

Or Copy and Paste

idevicerestore -e custom.ipsw

Step 8. Now, wait for the process to complete.

Remember one thing that don't disconnect your device during the restore procedure.

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[WINDOWS] Downgrade iPhone 4S and iPad 2 to iOS 6.1.3 using OdysseusOTA without SHSH blobs

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