Ok, I figured it out.
Plug the usb cable into both.
A notification will pop up (fast, so it is easy to miss) that USB is connected.
You will now have an icon in the top left of the screen. Tap on that and DRAG down to the bottom of the screen.
You should now see the USB notification.
click on that and select MOUNT.
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GOOGLE: make this simpler. You have that power on/off utility that was easy to find. Just put USB on here or something.