Today, Apple released iOS 8.4 bringing Apple Music Beats 1 and some other innovations. In fact, iOS 8.3 will no longer be signed very soon. And if you ever want to downgrade your firmware to this unit, you must prepare this with TinyUmbrella.
This tutorial is available in the event that the Jailbreak of iOS 8.4 is not available quickly and want to return to iOS 8.3 when possible.
Downgrade iOS 8.3
To save your SHSH, so you’ll need to use TinyUmbrella. Follow this step by step tutorial:
Step 1: Download TinyUmbrella on the official website
Step 2: Launch TinyUmbrella
Step 3: Connect your iOS device (no need to be jailbroken!)
Step 4: Wait for TinyUmbrella recovers and saves your blobs of iOS 8.3
TinyUmbrella saves your SHSH on a single file. You will then find this file by going to the following locations:
Mac: ~ / .you / .shsh
Windows: C: Users ~ .you .shsh
Although the files are saved on your computer, it’s nice to have them on other media such as Dropbox or even a USB / HDD key. Thus, you are sure not to lose them, and you can use it at any time. We recommend that you do not sign before Apple iOS 8.3 – thing that could happen within 15 days.