Here's how to restart your iPhone 11 / 11 Pro / 11 Pro Max if it crashes and resets, freezes or runs slowly. OK. Due to inactivity, your session has expired. Drag the slider, then wait 30 seconds for your device to turn off. The iPhone 11, 11 Pro, and 11 Pro Max are the most advanced flagships Apple has to offer, but that doesn't mean they're immune to occasional bugs. Forcing an Apple iPhone 11, Pro, or Pro Max to restart is not complicated, but requires some unusual actions from the user. Due to inactivity, your session will end in approximately 2 minutes. However, from time to time situations can arise that require the user to take steps that are not intuitive, such as pressing and holding an on-screen or physical button. iOS is designed to be simple to use and most aspects are quite obvious. Anything from an app plagued with issues to a faulty software update still can cause your device to freeze up, so having the ability to force a restart … How to restart your iPhone X, 11, or 12 Press and hold either volume button and the side button until the power off slider appears. However, that’s not really going to work here as the process to force restart the iPhone 11 Pro or iPhone 11 Pro Max is a bit different. Extend your session by clicking OK below.