Mobile device holder

FIG. 1 is a front view of the design for a mobile device holder;

FIG. 2 is a rear view thereof;

FIG. 3 is a right-side view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a front perspective view thereof;

FIG. 8 is a rear perspective view thereof; and,

FIG. 9 is a cross-sectional view thereof taken through line 9 - 9 of FIG. 2 .

The broken lines in the drawings illustrate portions of the mobile device holder that form no part of the claimed design.