Policy Text
Apple iPhone iOS 18.1
Our training bulletin aims to provide law enforcement and criminal investigation personnel
with a comprehensive understanding of Apple's iOS 18.1, released on October 28, 2024.
A key feature of this update is the 'inactivity reboot', which automatically reboots the
iPhone after 72 hours of inactivity. This feature is a crucial security measure, designed to
protect users' personal data in the event of loss or theft.
Following a reboot, an iPhone enters the Before First Unlock (BFU) state, the most secure
state an iPhone can be in. In this state, it becomes significantly more challenging, if not
impossible, to unlock or extract data stored on an iPhone. It is generally easiest for an
iPhone to be unlocked or “cracked” in the After First Unlock (AFU) state, where Law
Enforcement can generally utilize forensic tools to extract data from an iPhone.
The 'inactivity reboot' feature is automatic and cannot be turned off by the iPhone user. It
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