
Source: support.apple.com
Access Control Center on your iPhone and iPod touch - Apple Support.

Source: support.apple.com
Use Dark Mode on your iPhone, iPad, or iPod touch - Apple Support.

Source: support.apple.com
Switch apps on your iPhone, iPad, or iPod touch - Apple Support.
How to customize Control Center on iPhone, iPad, and iPod touch — Apple Support
Customize Control Center just the way you want. Add, remove, and rearrange controls with just a few taps.
To learn more about this topic visit the following articles:
Edit Control Center on your iPhone, iPad, and iPod touch: http://apple.co/3pXpvCT
Apps, settings, and features that you can use from Control Center: http://apple.co/3cLRWjy
Access Control Center on your iPhone and iPod touch: http://apple.co/3oTXbAb
Additional Resources:
Contact Apple Support for iPhone: http://apple.co/iPhone
To subscribe to this channel: https://www.youtube.com/c/AppleSupport
To download the Apple Support app: http://apple.co/2hFtzIv
Apple Support on Twitter: https://twitter.com/AppleSupport
Switch apps on your iPhone, iPad, or iPod touch - Apple Support

Source: support.apple.com
Use AssistiveTouch on your iPhone, iPad, or iPod touch - Apple Support.

Source: support.apple.com
Change the language on your iPhone, iPad, or iPod touch - Apple Support.

Source: support.apple.com
Access Control Center on your iPad - Apple Support.