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

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 18.1 auto-reboot feature locks iPhones after four days, blocking easy access, but at the same time, frustrating law enforcement in forensic probes.

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.