The ornamental design for a mobilephone with graphicaluser interface, as shown and described.
FIG. 1 is a front view of a first embodiment of the mobile phone with graphical user interface;
FIG. 2 is a view of a second image in a sequence;
FIG. 3 is a front view of a second embodiment of the mobile phone with graphical user interface;
FIG. 4 is a view of a second image in a sequence;
FIG. 5 is a front view of a third embodiment of the mobile phone with graphical user interface; and,
FIG. 6 is a view of a second image in a sequence.
The process or period in which one image transitions to another image forms no part of the claimed design. In the reproductions, the broken lines are for the purpose of illustrating portions of the mobile phone that form no part of the claimed design.