The ornamental design for cellular phone, as shown and described.
FIG. 1 is a front, right side, perspective of a cellular phone showing our 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;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is another front, right side perspective view thereof, shown with environment.
The evenly spaced broken lines immediately adjacent to the claim, and define unshaded regions in the FIG. 7 view, represent the bounds of the claimed design while the evenly spaced broken lines, showing its attached protective case, in the FIG. 8 view are directed to environment; the broken lines form no part of the claimed design.