D-Link AC3200 Ultra User Manual page 157

Section 5 - Applications
Tap Paste or Cancel.
You can also tap New Folder if you wish to create a folder in the
current directory.
To create a new folder:
Browse to the directory you wish to create a new folder in.
Tap then .
Enter the name of the folder in the box, then tap OK.
D-Link DIR-890L User Manual 152