US D578500 S1
The ornamental design for a cellular phone, as shown and described.
FIG. 1 is a front, left perspective of the cellular phone 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 plan view thereof; and,
FIG. 7 is a bottom plan view thereof.