Apple iPhone 4 has dual built-in camera’s the first one is on the front side of the phone while the second one is at the backside next to the LED flash light. Front camera can be used to take snaps while your phone acts as a mirror in front of you or you can make a nice video call through it.
While making a video call can you switch to front or rear camera ? Yes you can easily switch between front and rear camera of your phone. You can easily do this just tap the camera icon once and revolve accordingly to which camera you are suitable. Tap again to revert it from back to front or vice versa.