Tutorials

Downgrade 32-bit Devices to Any iOS Version With SHSH

2018-01-09 17409 Posted by 3uTools

Jailbreaking is available for all 32-bits devices after Phoenix and H3lix released. And jailbreaking could help to restore to some unsigned iOS versions. Here’s the completed tutorial about downgrading to any iOS version with shsh. You can save shsh on 3uTools restore to the current iOS version on your device.

 

Downgrade 32-bit Devices to Any iOS Version With SHSH


Thanks developer tihmstar and his futurerestore tool. 


Compatibility

iPhone 4s, iPhone 5, iPhone 5c, iPad 2, iPad 3, iPad 4, iPad mini, iPod touch 5G

 

Available Firmware to Restore

With corresponding SHSH, you can restore to iOS 5 - iOS 9. (Except iOS 9 on iPhone 5/5c)

 

Requirements

 

On 3uTools server, I’ve only saved SHSH of iOS 9.3.5 and iOS 6.1.3 for our testing iDevice, iPhone 4s, but I saved the SHSH Of iOS 8.3 on another server. So I will take downgrading to iOS 8.3 for example.


Operation

1. Verify SHSH

(1) Check and download SHSH of iOS 8.3 you saved on 3uTools. (If you saved SHSH on another server, you can just downloaded.)


Downgrade 32-bit Devices to Any iOS Version With SHSH


(2) This assistant tool is developed by a Chinese developer, there’s only Chinese version  temporarily.

Download and unzip Futurerestore, and launch wndGui.exe, you will see as follow.


Downgrade 32-bit Devices to Any iOS Version With SHSH


(3) Click the fifth button, "验证SHSH". After you select the iOS firmware and SHSH, click “确定” to begin verifying.


Downgrade 32-bit Devices to Any iOS Version With SHSH


(4) The following picture means that the SHSH is legit, it will automatically generate the .plist file of SHSH. You can put the .plist file and iOS 8.3 firmware in the new folder.

 

Downgrade 32-bit Devices to Any iOS Version With SHSH


2. Enter KDFU mode

There are two ways for you enter KDFU mode. Method 1 Install kdfu app. Please check the picture below to know the compatibility.


Downgrade 32-bit Devices to Any iOS Version With SHSH


Method 2 Enter KDFU mode using Futurerestore


3. Downgrading

(1) After you enter KDFU mode, click the final button "立刻刷机", then it will automatically launch Futurerestore.


Downgrade 32-bit Devices to Any iOS Version With SHSH


(2) Then input the following command

libfuturerestore.exe --latest-baseband --use-pwndfu -t

E:\Desktop\3uTools\iPhone4,1_8.3(12F70)_000002CA44143D4B(3067748826443).plist

E:\Desktop\3uTools\iPhone4,1_8.3_12F70_Restore.ipsw

The words in red is the path of firmware and shsh, please modify them based on your actual situation.


Note: If the form is wrong, you won't be able to downgrade, the form will be like: libfuturerestore.exe --latest-baseband --use-pwndfu -t one blank the path of shsh one blank the path of firmware 


Downgrade 32-bit Devices to Any iOS Version With SHSH


(3) After you enter the command and press “Enter” to start downgrading process. If all your operations are correct, Futurerestore will be running. Please wait patiently till the process is finished. 


Downgrade 32-bit Devices to Any iOS Version With SHSH


Downgrade 32-bit Devices to Any iOS Version With SHSH

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