The ornamental design for a userinputdevice for a radiotelephone, as shown and described.
FIG. 1 is a front view of a user input device for a radiotelephone showing
our new design;
FIG. 2 is a first side view thereof, with the opposing side view being a
mirror image of the first side view; and,
FIG. 3 is a perspective view thereof.
The broken line showings of portions of a radiotelephone throughout the
views are for illustrative purposes only and form not part of the claimed
design. The broken line along the bottom edge of the button in FIG. 2
indicates, but is not included in, the boundaries of the claimed design.