Lens swap – Switches between the rear-facing camera and the front–facing camera.
Shot mode – Allows you to choose a shot mode to define how the picture will be taken.
Settings – Opens the camera settings. See Using the advanced settings below.
Gallery – Tap to view the last photo you captured. This enables you to access your Gallery and view saved photos while in camera mode.
Capture icon – Takes a picture.
Mode switch – Slide this icon up or down to toggle between Camera mode and Video mode.
Please ensure the camera lens is clean before taking pictures.