This most recent one involves your iPhone's volume buttons, which can do much ... until the "Emergency Call" slider pops up. Swipe the SOS icon to the right to place the call.

In critical situations, your iPhone can be a lifeline. Quickly initiate an emergency call by holding down the side lock button and either volume button. Swipe the SOS icon to connect with ...

A red icon with a timer will appear at the ... your device by pressing the appropriate keys (Side button + Volume Up button on an iPhone or iPad Pro without a Home button; On/Off button + Home ...