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Untethered iOS 14.5.1 Jailbreak Demoed on iPhone

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With iOS 15 less than a week away from public release, the interest in an iOS 14.5 or newer jailbreak is largely low. Nonetheless, if you value your jailbreak setup or plan to stick around using iOS 14 for a few more weeks on your iPhone, here’s a piece of news that will cheer you up. An iOS 14.5.1 untethered jailbreak has been demoed on the iPhone running iOS 14.5.1.; Untethered iOS 14.5.1 Jailbreak DemoedUntethered iOS 14.5.1 Jailbreak Demoed

Sadly, the jailbreak will only work on iOS 14.5.1 as Apple has patched the exploits used in iOS 14.6. Nonetheless, what’s particularly interesting about this jailbreak is that it’s untethered, meaning your iPhone won’t lose its jailbreak state if it is rebooted.Untethered iOS 14.5.1 Jailbreak Demoed

The lack of untethered jailbreaks — or those that remain fully jailbroken following a reboot — has been a pain point for jailbreakers for as long as anyone can remember. For that reason, a Tweet shared by @LinusHenze Monday afternoon might be of particular interest…

The Tweet, which is accompanied by a video, appears to demonstrate an untethered jailbreak on an iPhone running iOS 14.5.1 that utilizes a handful of exploits:

The exploits used for this iOS 14.5.1 jailbreak include CVE-2021-30740, CVE-2021-30768, CVE-2021-30769, CVE-2021-30770, and CVE-2021-30773.

Right now, all iOS 14 jailbreak tools only support jailbreaking iOS 14 – iOS 14.3. Untethered iOS 14.5.1 Jailbreak Demoed. There’s Checkra1n that supports jailbreaking iOS 14.3 and newer builds, but it only works with a selected few older iPhones like the iPhone 8, iPhone 7, etc.Untethered iOS 14.5.1 Jailbreak Demoed

Based on the Tweet, we can discern that the exploits used include CVE-2021-30740, CVE-2021-30768, CVE-2021-30769, CVE-2021-30770, and CVE-2021-30773.

From what we can gather, CVE-2021-30740 was patched in iOS & iPadOS 14.6, while the other four of those mentioned above were patched in the newer iOS & iPadOS 14.7. The lowest common denominator would then be iOS & iPadOS 14.6, which means the untether would only work on iOS & iPadOS 14.5.1 and below unless another kernel exploit could replace the one patched by iOS & iPadOS 14.6.

having released exploits in the past. However, it remains to be seen if Henze will release this untether or any documentation that could help to produce one for the common jailbreaker.Untethered iOS 14.5.1 Jailbreak Demoed

With iOS 15 close to public release, the chances of an untethered iOS 14.5.1 jailbreak being released are very slim, especially since Apple is no longer signing the firmware as well. Security researcher Linus Henze has also likely posted the video just to show that an untethered jailbreak is still possible in this day and age. After all, it has been ages since an untethered iOS jailbreak was available for newer iPhones.

If you have been looking to jailbreak your iPhone, your best bet is to hope the jailbreak community can soon find some exploits in iOS 15 that can be developed into a full-fledged jailbreak tool.

In any case, it’s awesome to see that this type of jailbreak is still possible despite all the software defenses that Apple lauds with every update.

Does seeing this make you hopeful that we’ll see another untethered jailbreak at some point in the future? Discuss your thoughts in the comments section down below.

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