How can I use the camera?

Unlock your device, in the home screen go to the lower left corner to see the camera app > Tap camera button > Once in the camera app, select center circle icon to take a picture and camcorder icon to take a video

OR

Unlock your device > Swipe up in the home screen to open apps > Tap the camera button > Once in the camera app, select center circle icon to take a picture and camcorder icon to take a video