- Make an IPSW in iFaith with someone else's valid blobs for your specific device and swap that IPSW's ramdisk with the one in GeekGrade's IPSWs or make the modified ramdisk yourself. Sund0wn Downgrade utility for Windows written by iSuns9 that allows tether and untether downgrades for all models of the iPhone 3GS, iPhone 4, and iPod touch (4th.
- How To Customize IPSW Files Entering Pwned DFU Mode Using redsn0w The DFU (Device Firmware Update) mode is needed to update/upgrade/restore an Apple iDevice, however if you want to flash a custom.IPSW file you must enter a Pwned DFU mode i.e. A special DFU mode which had exploited limera1n jailbroken core to allow operations not permitted.
Apr 09, 2019 Download the IPSW file for the iOS version you want to downgrade to and save it to the Pwnage folder Open TinyUmbrella and connect your iPhone or iPad to your computer and wait until it is detected You will see a list of all the SHSH blobs available for the chosen firmware.
How to Downgrade 64-bit iDevice to iOS 12.0-12.1.2 with SHSH2 Using 3uTools
Restore or Downgrade iOS12.0 – 12.1.2 with 3utools
A new version is out and 3uTools finally released with the long-awaited downgrading feature, downgrade 64-bit iDevices with SHSH2. This tutorial will guide
Important Notes:
1. This feature is only available on iOS 11 to 12.1.2 iDevices.
2. The downgrading operation will not save any data, please back up your device in advance.
3. There are risks to downgrade with SHSH2, so this downgrading feature is recommended for experienced users.
Compatible iDevices
iPhone
- iPhone X
- iPhone 8/ 8 Plus
- iPhone 7/7 Plus
- iPhone 6s/6s Plus
- iPhone SE
iPad
Flash Custom Ipsw With 3utools No Blobs 2
- iPad 12.9-inch iPad pro 2nd generation
- iPad 12.9-inch iPad pro 1st generation
- 10.5-inch iPad pro
- 9.7-inch iPad Pro
- iPad 6th generation
- iPad 5th generation
- iPad Air 2
iPod
- iPod touch 6th generation
Pre-Requisites:
1. Download the SHSH2 (of the iOS version you want to downgrade) you saved before on 3uTools or another tool.
2. Download NonceReboot12XX ipa file.
3. Download the iOS firmware you want to downgrade on https://ipsw.me
- If you saved SHSH2 file saved on 3uTools server:
If you never uninstall 3uTools, you could find the SHSH2 files in 3uTools’ cache folder.
Right-click 3uTools icon → click “Open file location”, and open “cache” folder, scroll down to find the right SHSH2 files of iOS version you want to downgrade.
- If you saved SHSH2 file saved on Tsssaver server:
Please go to its website to download the SHSH2 of iOS version you want to downgrade. And opennoapnonce folder to get the SHSH2 file.
Set generator nonce with NonceReboot12XX ipa
Step 1 Install ipa with latest version of Cydia Impactor. Go to Settings > General > Device Management, and open the just installed profile, and trust the developer.
Step 2 Enable Airplane mode on your iDevice, close Siri and reboot your iDevice.
Step 3 Open shshe2 file using any text viewer (eg. notepad)
Flash Custom Ipsw With 3utools No Blobs 3
Step 4 Search for <key>generator</key> and look beside it for actual key (eg. <string>0XXXXXXYYYYYYY</string>.
Step 5 Tap NonceReboot12XX on your device, and enter the above key code, and
Step 6 Rename the SHSH2 file to .shsh from .plist.
Flash Custom Ipsw With 3utools No Blobs Download
Downgrade with SHSH2 using 3uTools
Flash Custom Ipsw With 3utools No Blobs 10
Step 1 Connect your iDevice to 3uTools and go to Flash & JB → Advanced, and click Download 64-bit iDevice.
Step 2 Read the popup carefully and click Select IPSW → Select SHSH, and double check the generator
Step 3 Select SHSH2 file, double check the generator
Step 4 Confirm the connection between iDevice and PC, patiently wait for 20 to 40 minutes. Your iDevice will be restored to unsigned iOS 12.0 – 12.1.2 then.