The ornamental design of an electronicdevice, substantially as shown and described.
FIG. 1 is a front perspective view of an electronic device in accordance with the present invention;
FIG. 2 is a rear perspective view of the electronic device in FIG. 1;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a top view thereof; and,
FIG. 8 is a bottom view thereof.
The broken lines showing the remainder of the electronic device are directed to the environment. None of the broken lines form a part of the claimed design.