To move files between your CN85 and a computer:
Connect the CN85 to your computer using a USB charge/
By default, the CN85 is in USB charging only mode. To
enable file transfers, swipe down from the top of the screen
to access the Notifications panel.
Touch the USB notification, and then select either Transfer
files or Transfer photos (PTP).
Depending on the Windows® operating system on your
computer, either open File Explorer or Windows Explorer.
Under "Computer" or "This PC", click on the CN85. You can
now copy, delete and/or move files or folders between the
computer and CN85 or a microSD card installed in the
CN85 as you would with any other storage drive (e.g., cut
and paste or drag and drop).