Circle (no direction required) USB Cable half turn around the screw hole at Handgrip Housing.
Hook the end of Bottom Cover to the small notch in the handle.
Notice: do not let the USB cable remove from the Mainboard.
Press Bottom Cover onto the circle USB cable.
Push USB Cable into the cross hole on Rubber Cable Holder.
Then press Rubber Cable Holder into Bottom Cover.
Use #2 Phillips Screwdriver to fasten Rubber Cable Holder, Bottom Cover, the bottom of Handgrip Housing by #2 Screw.
