The ornamental design for a phonecase, as shown and described.
FIG. 1 is a front, right-side, and top perspective view of a phone case, showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a left side elevation view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a rear elevation view thereof; and,
FIG. 8 is an enlarged detail view of the encircled region of FIG. 1.
The dot-dash broken line circle in FIGS. 1 and 8 forms no part of the claimed design and delineates a portion of the phone case that is part of the claimed design and that is shown on an enlarged scale in FIG. 8. The dashed broken lines throughout the drawing figures form no part of the claimed design and depict portions of the phone case that form no part of the claimed design. The interior of the case shown in FIG. 7 and visible in part through the camera opening in FIG. 1 forms no part of the claimed design.