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

Magnet Forensics have confirmed this feature for themselves, and noted that iOS 18 initially set the reboot time for seven days. However iOS 18.1 shortened the countdown to three days, and pointed out there are no prompts or warnings that give any indication an automatic restart is on the way.

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

Last week brought reports of police officials warning other departments that iPhones being stored in evidence for forensic examination were rebooting themselves. 404Media writes that security

Apple has quietly added a new security feature in iOS 18.1 called Inactivity Reboot. Here's what you need to know.

However, the explanation is actually much simpler. Referring to the feature as an "inactivity reboot," AppleInsider says that this reboot timer isn't based on network connectivity or the phone's charge. Rather, the reboot simply occurs after a specific length of time -- around 96 hours.

Apple's iOS 18 introduces new security features, including a 3-day auto reboot, to enhance iPhone protection against theft.