In these days, Apple has released their latest iOS version which iOS 8.4.1. It fixed several bugs on iOS 8.4 and improved performance of Apple Music. Apple mentioned, that's why they release iOS 8.4.1. However, if we see this update deeply, we can see Apple mainly attempt to block Taig and PP jailbreak from iOS 8.4.1.
Most of the iOS users downgrading iOS 8.4.1 to iOS 8.4 because of that reason. I’m sure, soon Apple will stop sign into iOS 8.4 version. Then you cannot downgrade iOS 8.4.1 to iOS 8.4. Therefore, we recommend you to save iOS 8.4 SHSH blobs, then you can downgrade to iOS 8.4 at any time, even Apple stops sign in to iOS 8.4 version.
TinyUmbrella is the best tool for iOS 8.4 version, it allows to save iOS 8.4 SHSH blobs. TinyUmbrella creates a pre signed IPSW file. If Apple stops to signing to older iOS versions to avoid from downgrading. Pre signed IPSW file can used to downgrade your iDevice from iOS 8.4.1 to iOS 8.4 version that Apple was no longer signing.
After download TinyUmbrella install it to your computer.
Connect your iDevice to the computer and run the tool.
Wait couple of seconds until TinyUmbrella detect your device.
Then click on “Connected Menu”
Now click on,” Fetch SHSH on Device”
It will take couple minutes. When you have done, you can see iOS 8.4 SHSH blobs.
It will automatically download the SHSH blobs for iOS 8.4 version files that are currently signed by Apple. SHSH blobs are saved to a special folder location that mentioned above. iOS 8.4 SHSH blobs are saved in a single file. There are 3 types of SHSH blobs,
There are history device record of known iDevices in T.U. tool. You can delete them,if you want to clear the history. Follow:~/.tu/.known_devices
A7 Devices include:
A8 Devices include:
After successfully downgrading to iOS 8.4 you can jailbreak your device using Taig Jailbreak or Pangu Jailbreak. Stay with us, you can get more iOS updates from TaiG.