A first mobile electronic device includes an image sensor that outputs image data from an image of a subject received through a lens of the first mobile electronic device, a first communication circuit and a second communication circuit. The first communication circuit transmits the image data to a server. The second communication circuit is different from the first communication circuit and transmits information by which to obtain the image data from the server to a second mobile electronic device so that the image data can be obtained from the server by the second mobile electronic device using the information.