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Previously, Mytour.vn provided guidance on Jailbreaking iOS 11.3.1 for iPhone, iPad, which garnered significant attention. In this article, Mytour.vn continues to guide users on downgrading iOS 11.3.1 devices after Apple ceases signing for those intending to Jailbreak.
Downgrading iOS 11.3.1 Devices After Apple Stops Signing
The steps to downgrade iOS 11.3.1 for iPhone, iPad after Apple stops signing are as follows:
Step 1: Access the downgrade support page for iOS 11.3.1 devices that Apple has stopped signing HERE.
Step 2: After successfully accessing this page, you will search for the iPhone version you are using here to find the most suitable downgrade solution for your device.
Get the suitable iOS 11.3.1 version for your iPhone or iPad here: Download iOS 11.3.1.
Also, download the latest version of iTunes here: Download iTunes.
And make sure to get the latest version of Cydia Impactor from here: Download Cydia Impactor.
Following that, proceed to download the supporting files for downgrading iOS 11.3.1 for iPhone or iPad from this address.
Once you have downloaded all the necessary data, you will need to place these downloaded installation files into a common folder on the desktop and name this folder 'downgrade'.
- The files required in this 'downgrade' folder:
Step 5 : After downloading all the necessary files, you will need to place these downloaded installation files into a common folder on the desktop and name this folder 'downgrade'.
+ Utilize Futurerestore or futurerestore.exe
+ Ensure you have the blob.shsh2 file for iOS 11.3.1 on your iPhone or iPad
+ Include sep-firmware.n61.RELEASE.im4p
+ Add Mav10-6.60.00.Release.bbfw
+ Insert BuildManifest.plist
+ Download 11.3.1.ipsw
Step 6 : Now, connect your iPhone to your computer, and utilize Cydia Impactor tool to install the Nonce Setter for iOS file that we previously downloaded.
+ For users on iOS 11 : Install the noncereboot_empty_list.ipa file on iPhone using Cydia Impactor.
+ For users on iOS 10 : Install the v0rtexNonce.ipa file on iPhone using Cydia Impactor.
Step 7 : To commence the process of downgrading iOS 11.3.1 devices after Apple has closed sign, we will open Command Prompt tool (cmd) and execute the following code:
+ For Windows users : Enter cd %USERPROFILE%/Desktop/downgrade
+ For Macbook users : Enter cd -/Desktop/downgrade
Step 8 : Then, proceed to input the following command line to initiate the process of downgrading iOS 11.3.1 devices after Apple has closed sign.
+ For Windows users : Input
futurerestore.exe -t %USERPROFILE%Desktopdowngradelob.shsh2 -s sep-firmware.n61.RELEASE.im4p -b Mav10-6.60.00.Release.bbfw -p BuildManifest.plist -m BuildManifest.plist 11.3.1.ipsw
+ For Macbook users : Input
./futurerestore -t -/Desktop/downgrade/blob.shsh2 -s sep-firmware.n61.RELEASE.im4p -b Mav10-6.60.00.Release.bbfw -p BuildManifest.plist -m BuildManifest.plist 11.3.1.ipsw
Step 9 : Immediately, the system will automatically proceed to downgrade iOS 11.3.1 for your iPhone, iPad.
Note : During the process, if you encounter the error 'The file names above aren't the exact file name in the toolkit zip file', you need to rename the following files:
- Rename blob.shsh2: Rename this file to match the shsh.zip file you have downloaded.
- Rename SEP.im4p: Rename this file so that it includes 'SEP' at the end of the file name.
- Rename baseband.bbfw: Change the file format to .bbfw within the downgrade folder.
- Rename 11.3.1.ipsw: Change the firmware file name to 11.3.1.ipsw.
So, we've just explored and executed the method of downgrading iOS 11.3.1 devices after Apple has closed signing, which has attracted a lot of attention from people wanting to restore their devices to stable operating systems and perform Jailbreak unlocking for iPhones and iPads.
https://Mytour.vn/cach-ha-cap-cac-thiet-bi-ios-11-3-1-sau-khi-apple-da-khoa-sign-23420n.aspx
Additionally, if you intend to Jailbreak iOS 11.3.1, Mytour.vn invites you to refer to the article on common issues encountered when Jailbreaking iOS 11.3.1 for iPhone, iPad. These are the common issues that many people face, preventing them from successfully Jailbreaking their devices, so you can troubleshoot and accurately perform the steps to Jailbreak iOS 11.3.1.
