Handheld electronic device

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 elevation view thereof;

FIG. 4 is a back elevation view thereof;

FIG. 5 is a right elevation view thereof;

FIG. 6 is a left elevation 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.