The ornamental design for a smartstoragedevice, as shown and described.
FIG. 1 is a bottom view of a smart storage device showing our new design;
FIG. 2 is a top view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a rear view thereof; and,
FIG. 7 is a front perspective view thereof.
FIGS. 1 through 7 include rendered surfaces which show the surface contours of the claimed design. FIG. 1, the lower portion of FIG. 3, FIG. 4, the lower portion of FIG. 5, and FIG. 6 include wireframe lines, which are artefacts of the rendering process by which these views were generated. The wireframe lines provide additional disclosure of surface contours in the areas in which they appear and do not represent surface ornamentation.
The broken lines shown in FIG. 6 illustrate portions of the article which form no part of the claimed design.