Whether you've got an iPhone 16 or an earlier model, here's how to fix your unresponsive device.

Instead, Apple added a new security feature in iOS 18.1 that forces iPhones to reboot after a period of inactivity. The change was first pointed out by security researcher Jiska Classen on Mastodon.

Reverse engineering iPhone’s Inactivity Reboot feature The researcher detailed in a blog post how exactly Inactivity Reboot was implemented by Apple – which did everything quietly without ...

Apple has added a new security feature with the iOS 18.1 update released last month to ensure that iPhones automatically reboot after long idle periods to re-encrypt data and make it harder to ...

News Apple quietly added ‘Inactivity Reboot’ in iOS 18.1 to safeguard a lost or stolen iPhone If your iPhone goes unused for 4 days it will reboot itself, making it harder to forcibly unlock.

Wait for your iPhone to reboot and reset all the network settings. This process shouldn't take more than a couple of minutes. Afterward, you should be able to configure network settings from scratch.