FIG. 1 is a front perspective view of a handheld electronic device;

FIG. 2 is a back perspective view of the handheld electronic device;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a back elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a left elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines shown in the drawings of the handheld electronic device are for the purpose of illustrating portions of the article and form no part of the claimed design.