Electronic device with a transitional graphical user interface

FIG. 1 is a front perspective view of a first image of an electronic device with a transitional graphical user interface;

FIG. 2 is a front perspective view of a second image thereof;

FIG. 3 is a front perspective view of a third image thereof; and,

FIG. 4 is a front perspective view of a fourth image thereof.

The broken line showing of the electronic device and graphic features forms no part of the claimed design. The broken line showing of the electronic device is in a bent configuration in FIGS. 2-4 .

The appearance of the image transitions sequentially between the images shown in FIGS. 1-4 . The process or period in which an image transitions to another forms no part of the claimed design. The transitional graphical user interface is viewed from the front perspective of the electronic device shown in the drawing.