2. Tap to turn on Face Tracking. As other people around you enter
the front camera's field of vision, each person will appear in a
window on the video chat screen. Your camera will zoom in or out
to keep the faces in focus when you move.
3. Drag the mini-window anywhere you want.
4. Depending on the video chat app, you can single or double-tap the
mini-window to switch screens with the called participant.
5. Tap again to turn off Face Tracking.
Video chat and phone calls 163