A group of hackers has successfully developed a new jailbreak for the iPhone, showcasing its ability to remain effective even with Lockdown Mode activated, despite an update to iOS 27.2.
Lockdown Mode, introduced by Apple, aims to bolster device security, primarily designed to shield high-profile individuals from advanced cyber threats. While Apple asserted in March 2026 that it had achieved a 100% protection rate since 2022, this latest development suggests vulnerabilities remain.
In a recently released video on X, the hacking collective Calif demonstrates the jailbreak on an iPhone 18 Pro with Lockdown Mode enabled. During the demonstration, a PDF file is transmitted to the device via AirDrop and opened.
Although it is presumed that the PDF played a role in the process—hinted by a shift in the background music of the video—Calif has not disclosed specific technical details about the jailbreak, leaving open the possibility that it could have been executed prior to the video’s recording.
Lockdown Mode helps, until it doesn’t. https://t.co/1UyxPHQUAe
— Calif (@calif_io) November 3, 2026
Following the AirDrop, the video shows a user navigating to the Software Update section in the Settings app. A notification appears, warning that Lockdown Mode is enabled, which may impact certain settings. The user dismisses this notification, proceeds to install the iOS 27.2 update, inputs the device passcode, and initiates the update process.
After several minutes, the iPhone successfully processes and completes the update.
According to MacRumors, Calif has indicated its intention to report identified vulnerabilities to Apple; however, it will not be releasing a jailbreak tool to the public.
A Little Less Than Perfect
If authentic, the video provides evidence that while Apple’s Lockdown Mode offers enhanced security for iPhones, it is not entirely infallible.
Lockdown Mode was designed to strengthen an iPhone’s defenses for individuals at greater risk of cyberattacks, including politicians, activists, and business executives.
Activating Lockdown Mode in iOS 16 or later imposes various restrictions on apps and services. This includes disabling certain browsing capabilities and blocking visibility of specific message types in the Messages app.
In extreme cases, it prevents the installation of configuration profiles, inhibits the integration of the iPhone into Mobile Device Management systems, and disconnects from unsecured Wi-Fi networks.
The objective is to close off many of the common entry points that hackers exploit to access sensitive data and accounts on the device.
The revelation that a jailbreak can persist during an iOS update signals that Apple must address these security gaps. Despite previous claims made in March regarding the lack of successful hacks targeting devices in Lockdown Mode, this incident suggests that its record of invulnerability has indeed been compromised.
Chief Editor of Quincy City Beat — Quincy, MA's independent investigative newspaper covering Greater Boston and the entire Commonwealth of Massachusetts with fearless public accountability and free access for all readers.
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