http://wccftech.com/where-did-my-toggles-go-new-system-toggle-switch-locations-in-ios-11-list/

iOS 11 introduces a number of new changes including new locations for certain system toggles and settings. Here’s where to find the key ones.

Apple has introduced far more changes in iOS 11 than one originally hoped for. There are design overhauls in some places whereas some features have been moved completely to new locations, such as system toggle switches. For example, the Night Shift toggle in Control Center. While you may not see it there now, but it actually still is. That’s why we will help you find all the key system toggle locations and settings, something which are obviously not where they used to be.