The ornamental design for a smartphonecable with decorativechain, as shown and described.
FIG. 1 is a perspective view of a first embodiment of a smartphone cable with decorative chain of the new design;
FIG. 2 is an enlarged portion of FIG. 1 thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a left side elevation view thereof;
FIG. 7 is a front elevation view thereof;
FIG. 8 is a rear elevation view thereof;
FIG. 9 is a perspective view of a second embodiment of a smartphone cable with decorative chain of the new design; and,
FIG. 10 is an enlarged portion of FIG. 9.
The smartphone cable with decorative chain is shown with a symbolic break in its length. The appearance of any portion of the smartphone cable with decorative chain between the break lines forms no part of the claimed design. The broken lines in the drawings are for the purpose of illustrating environmental subject matter that forms no part of the claimed design.