If you save your current SHSH2 blobs, you'll always be able to roll back your firmware to the iOS version your phone is currently running — even if Apple stops signing it. This means that if a jailbreak method for your current iOS version is made available after you've updated to a future iOS version, you'll be able to do a custom restore with iTunes to downgrade your firmware to the version that works with the jailbreak method.
In short, it's sort of like future-proofing jailbreak. Saving your SHSH2 blobs used to be a complicated process, but that has thankfully changed. You can now preserve your current iOS firmware in just a few easy steps, which makes it easy to restore your device if you ever make a mistake during a jailbreak attempt. It also simplifies the process of downgrading to a lower version in the event that a jailbreak method is released after you've updated. This method ensures that only trusted software is installed on their iPads, iPhones, and iPod touches.
Whenever a new iOS software is released, Apple stops signing the signatures on previous versions, thus giving users no choice but to update to the latest iOS version. So using saved SHSH2 blobs to restore using a custom firmware is akin to forging a signature on iTunes in order for it to verify the older software and allow for its installation into your device. To get started, connect your iPad, iPhone, or iPod touch to your computer with your Lighting cable, then open iTunes if it didn't pop up automatically.
Make sure you're on the device's information page, then look for the Settings section located on the left-hand side and select "Summary. To do so, simply click on the serial number located right under "Capacity" in your device's general information tab within iTunes.
Each time you click on the serial number, it will show a different device identifier number, so keep clicking until this menu shows your device's ECID. Once you've found it, copy the ECID number into your clipboard as you'll need it later on. Simply follow the same steps you did when finding the ECID by clicking on the serial number in iTunes until it shows up. You don't have to copy the info, though you'll need to remember it later on and make sure it matches up with the selections you make later on.
So if your ECID only contains numbers rather than a combination of letters and numbers, you'll need to convert it to hexadecimal before you proceed. To do that, we'll be using an open-source utility created by Redditor 1Conan , so head to the following link to access it:.
From there, paste your ECID into the box under the same name, then select your specific device type and Model Identifier from the two drop-down menus provided under "Identifier. At this point, the site will automatically save your SHSH2 blobs, so give it a few minutes to do its job.
Once it's finished, you'll be greeted with a link that lets you download the SHSH2 blobs, so go ahead and click it to do so. Unfortunately with the implementation of APTickets however, it makes downgrading much more difficult, if not impossible.
Thanks to the vibrant Jailbreaking community however, new exploits are always being found and it will only be a matter of time before downgrading devices on newer firmware versions is indeed supported. Apple only signs the latest firmware version available, so if you are running iOS 6. If you indeed find yourself in this situation then you will need to use a tool called iFaith. In some cases iFaith is more reliable when it comes to downgrading as well.
You can look through the list below and find one that suits your current situation. Keep in mind that even if a guide mentions an older firmware version than you are running, the process is still the same. We are not going to release a new guide for every firmware version because it would be too repetitive.
You are saying that there is no reason to downgrade. To new iOS Versions about two major updates on older iOS devices run extremely bad in order to force people to buy new devices. This is definetly a reason to downgrade. I hate apple for doing this, even though samsung does the same. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment.
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