Magnet Forensics has reportedly developed tools that counter Apple’s iPhone inactivity-reboot protection, according to an October 1 report by 404 Media cited by CyberVeille and Schneier on Security. The iOS safeguard automatically restarts an iPhone after 72 hours without an unlock, returning it to the Before First Unlock (BFU) state and making forensic data extraction significantly harder. A dedicated device called GrayKey Preserve and Evidence Preservation Mode for existing GrayKey devices reportedly keep seized phones in a more accessible state before that reboot occurs.
A leaked video reportedly describes the tools as countering both inactivity reboot and the automatic deletion of certain forensic data; Magnet claims they can preserve that data indefinitely. The products are marketed to law enforcement agencies facing delays in examining seized devices, while the reporting also raises concerns about GrayKey use in authoritarian countries. No technical exploit details, vulnerability identifier, or confirmed Apple fix were provided, leaving the mechanism and scope unverified; security teams should not treat inactivity reboot as a guaranteed barrier to forensic access when a device is physically seized.

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On October 1, 2026, 404 Media reported, based on an obtained video, that Magnet Forensics developed GrayKey Preserve hardware and Evidence Preservation Mode for existing GrayKey devices to counter iPhone inactivity reboot. The technology also targets automatic deletion of data such as cached locations and recently deleted photos and iMessages, which a Magnet employee claimed it could preserve indefinitely.
A disclosure described Apple’s iOS inactivity-reboot feature, which restarts an iPhone after 72 hours without an unlock. The restart returns the device to the Before First Unlock state, making forensic data extraction significantly harder.
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