1. Turn the flash on or off: click the lightning icon flash icon, and then select on, auto, fill light or off.

2. Zoom in or out: Open/close your fingers on the screen to zoom in or out.

3. Select photo mode: swipe left or right on the screen to select a mode, such as photo or portrait.

4. Self-timer: Click the camera switch icon to switch between the front camera and the rear camera.