Shell of an Electronic Device

FIG. 1 is a top front perspective view of a shell of an electronic device showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the drawings are for illustrative purposes and represent unclaimed portions of the shell of an electronic device and therefore form no part of the claimed design. Unshaded surfaces shown between solid and broken lines form no part of the claimed design.