Switch between the front camera and the back camera by tapping Switch Camera.
Check if any other applications are already using the camera.
Open recent applications. How to open this varies by devices. On some devices, you can hold down the home button and some have a recent applications key.
Swipe right to close any applications that are using the camera.
Check that Zoom has permissions for the camera.
Open the device Settings.
Tap Applications.
Tap Application Manager.
Tap Zoom.
If it does not list access to take pictures and videos, uninstall and reinstall the app as shown below.
