Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to use the front facing camera on a samsung galaxy note tablet [title] Open the camera app on your note tablet. [step] It may either be on your home screen or in your app drawer, which you can open by tapping on " apps ". [title] Switch to front-facing camera.

Ending1: [step] Turn on your camera so the screen of the camera is on. [title] Press the " and then " buttons. Ending2: [step] You have to be facing up when switching to front-facing camera. [title] Tap the button for " background view ". Ending3: [step] There will be a list of different camera options available. Scroll down the list and tap " currently used ". Ending4: [step] As a default, the camera app uses the rear camera to take pictures. Switch the camera that the app uses by tapping on the icon at the upper left corner.

Answer format: ending1/ending2/ending3/ending4