The ornamental design for a mobilephone, as shown as described.
FIG. 1 is a perspective view of a mobile 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 plan view thereof;
FIG. 7 is bottom plan view thereof; and,
FIG. 8 is another rear view thereof that includes an additional broken line showing the rear display of the mobile phone in an operating state.
The broken lines shown in the figures that are immediately adjacent to the areas included in the claim and define unshaded regions represent the bounds of the claim. All other broken lines are directed to environment. The broken lines form no part of the claimed design.