The ornamental design for an electronicdevice, as shown and described.
FIG. 1 is a perspective view of an electronic device showing our new design, the electronic device includes a transparent front cover, and three transparent sidewalls and non-transparent sidewall;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof showing a non-transparent sidewall;
FIG. 5 is a right side elevational view thereof showing a transparent sidewall;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines of all the figures are for the purpose of illustrating environment and form no part of the claimed dign.