How do I force shutdown my iPhone 11?

How do I force shutdown my iPhone 11?
How to restart your iPhone X, 11, 12, or 13

Press and hold either volume button and the side button until the power-off slider appears.
Drag the slider, then wait 30 seconds for your device to turn off.

How to restart your iPhone X, 11, 12, or 13
  1. Press and hold either volume button and the side button until the power-off slider appears.
  2. Drag the slider, then wait 30 seconds for your device to turn off.