Apple stops signing iOS 11.1.2 and tvOS 11.1, making downgrades impossible
As if the circumstances all around the current jailbreak situation weren\’t dire enough already, Apple has stopped signing both 11.1.1, iOS 11.1.2, and tvOS 11.1.
The latest move from the Cupertino-headquartered company will make it impossible to downgrade to firmware versions susceptible to Ian Beer\’s recently-publicized tfp0 exploit until downgrading tools receive support for iOS 11. Having said that, hopefully everyone had adequate the perfect time to prepare their devices beforehand.
Under the latest circumstances, iTunes now directs anyone restoring their device to update to iOS 11.2.1. On the other hand, it is always possible to install iOS 11.2 through the use of Option + Click on Mac (Shift + Simply click Windows) when restoring the extender. Remember, you will get the firmware file from a downloads page.
Apple regularly stops signing older firmware versions a couple of weeks following a era to stop downgrades and keep users for the latest firmware possible. It is equally a measure to thwart jailbreaking, which often requires older firmware versions without patches for the vulnerabilities utilized in the jailbreak process.
The frequent software updates make it tougher for hackers to take care of. Consequently, it gets a chore updating and releasing new jailbreak tools equally as much as Apple updates iOS, which happens to be the main explanation why we don\’t see new jailbreak tool releases typically even as we useful to.
Nevertheless, Apple contains a moral responsibility to help keep everyone\’s data secure from hackers, especially given simply how much your lives we store on our smartphones currently. With that being said, they do what\’s right by patching security exploits despite the actual way it turn up useful info while in the jailbreak community\’s favor.
Although Apple isn\’t signing iOS 11.1.2 and tvOS 11.1 anymore, those running getting per our recommendation defintely won\’t be required to upgrade to iOS 11.2.1. Still, it is a good idea to disable Covering the Air updating to circumvent accidental upgrades and be sure that you simply maintain a potentially-jailbrakable device handy in the future.
You can actively track what versions of iOS Apple signs with the handy IPSW.me website.
Did you downgrade to iOS 11.1.2 soon enough prior to signing window closed? Inform us within the comments below.