Portable electronic device displaying graphical user interface

FIG. 1 is a first image of a portable electronic device displaying graphical user interface showing my new design;

FIG. 2 is a second image of a portable electronic device displaying graphical user interface showing my new design;

FIG. 3 is a third image of a portable electronic device displaying graphical user interface showing my new design;

FIG. 4 is a fourth image of a portable electronic device displaying graphical user interface showing my new design;

FIG. 5 is a fifth image of a portable electronic device displaying graphical user interface showing my new design;

FIG. 6 is a sixth image of a portable electronic device displaying graphical user interface showing my new design; and,

FIG. 7 is a seventh image of a portable electronic device displaying graphical user interface showing our new design.

The appearance of the transitional user interface sequentially transitions between the images shown in FIG. 1-7 . The process of period in which one image transitions to another forms no part of the claimed design.

The broken line showing of the mobile terminal, and the on-screen symbols, is included for the purpose of illustrating environmental structure and portions of the article, respectively, and forms no part of the claimed design.