Inactivity reboot" effectively puts iPhones in a more secure state by locking the user's encryption keys in the iPhone's secure enclave chip.

A new security feature on the iPhone with iOS 18 reboots the phone after 72 hours of inactivity to protect your data.

Security researchers claim that a new security feature in Apple's new iPhone software causes the phone to reboot if it isn't unlocked for 72 hours. The

A new iPhone security feature in iOS 18 will make it tough for forensic analysts to obtain data from a locked device

Introduced with iOS 18, the new feature automatically reboots an iPhone if it's been asleep and in lock mode for an extended period of time. After a reboot, an iPhone becomes more difficult to crack since either the passcode or biometric verification is needed to unlock it.

With iOS 18, Apple introduced a feature that causes the iPhone to reboot every three days, security researchers have confirmed (via TechCrunch). In

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Apple covertly inserted a new security feature in iOS 18.1 that automatically prompts iPhones to reboot after 72 hours of inactivity. Read more here.