wanted to put this up for people who couldn't figure it out.. like me..
You need a free software program called
Ifunbox
http://www.i-funbox.com/works on mac and pc
Plug in iOS device.
Run iFunbox
Click on File Browser on the top left

Click on User Applications

Click on DashCMd (Open Sandbox)

Open the dashxl folder

drag your new dashboard into that folder