What is switching off the phone?
Turn off your phone” means power it off completely.
How To Switch Off iPhone In South Africa?
iPhone with Face ID: Simultaneously press and hold the side button and either volume button until the sliders appear, then drag the Power Off slider.
iPhone with the Home button: Press and hold the side button, then drag the slider.
All models: Go to Settings > General > Shut Down, then drag the slider.
How do I force my iPhone to turn off with the button?
Press and hold either the volume button or the side button until the power-off slider appears. Drag the slider, then wait 30 seconds for your device to turn off.
If your device is frozen or unresponsive, force restart your device.